Dikarbonylföreningar
- (1)
- (1)
- (3)
- (3)
- (8)
- (3)
- (2)
- (2)
- (3)
- (3)
- (6)
- (6)
- (3)
- (10)
- (8)
- (3)
- (3)
- (2)
- (2)
- (3)
- (3)
- (13)
- (2)
- (2)
- (2)
- (1)
- (6)
- (3)
- (3)
- (2)
- (3)
- (7)
- (2)
- (2)
- (2)
- (6)
- (5)
- (5)
- (6)
- (7)
- (6)
- (3)
- (3)
- (5)
- (2)
- (3)
- (5)
- (5)
- (2)
- (1)
- (8)
- (4)
- (2)
- (4)
- (1)
- (2)
- (2)
- (4)
- (8)
- (2)
- (3)
- (2)
- (3)
- (3)
- (8)
- (7)
- (3)
- (6)
- (2)
- (3)
- (3)
- (4)
- (2)
- (4)
- (2)
- (3)
- (4)
- (3)
- (4)
- (15)
- (3)
- (2)
- (15)
- (1)
- (2)
- (1)
- (2)
- (50)
- (3)
- (1)
- (3)
- (1)
- (2)
- (1)
- (4)
- (5)
- (2)
- (1)
- (55)
- (2)
- (1)
- (14)
- (4)
- (5)
- (5)
- (1)
- (37)
- (1)
- (3)
- (1)
- (16)
- (2)
- (23)
- (3)
- (3)
- (4)
- (5)
- (15)
- (7)
- (4)
- (3)
- (6)
- (5)
- (59)
- (3)
- (18)
- (52)
- (3)
- (42)
- (3)
- (31)
- (14)
- (3)
- (2)
- (3)
- (3)
- (2)
- (2)
- (3)
- (2)
- (7)
- (3)
- (2)
- (3)
- (2)
- (2)
- (3)
- (3)
- (2)
- (2)
- (3)
- (2)
- (2)
- (5)
- (2)
- (2)
- (5)
- (7)
- (3)
- (3)
- (3)
- (6)
- (3)
- (2)
- (3)
- (2)
- (1)
- (2)
- (3)
- (5)
- (3)
- (5)
- (1)
- (2)
- (2)
- (2)
- (2)
- (2)
- (2)
- (1)
- (3)
- (3)
- (2)
- (2)
- (2)
- (4)
- (2)
- (2)
- (2)
- (3)
- (3)
- (3)
- (2)
- (2)
- (3)
- (2)
- (3)
- (3)
- (2)
- (3)
- (2)
- (2)
- (2)
- (3)
- (3)
- (3)
- (3)
- (15)
- (1)
- (7)
- (7)
- (1)
- (79)
- (5)
Filtrerade sökresultat
Malonsyra, 99 %
CAS: 141-82-2 Molekylformel: C3H4O4 Molekylvikt (g/mol): 104.061 MDL-nummer: MFCD00002707 InChI-nyckel: OFOBLEOULBTSOW-UHFFFAOYSA-N Synonym: malonic acid,dicarboxymethane,carboxyacetic acid,methanedicarboxylic acid,kyselina malonova,usaf ek-695,dicarboxylate,dicarboxylic acid,kyselina malonova czech,propanediolic acid PubChem CID: 867 ChEBI: CHEBI:30794 IUPAC-namn: propandisyra LEDER: C(C(=O)O)C(=O)O
| Molekylformel | C3H4O4 |
|---|---|
| PubChem CID | 867 |
| MDL-nummer | MFCD00002707 |
| IUPAC-namn | propandisyra |
| CAS | 141-82-2 |
| InChI-nyckel | OFOBLEOULBTSOW-UHFFFAOYSA-N |
| LEDER | C(C(=O)O)C(=O)O |
| ChEBI | CHEBI:30794 |
| Molekylvikt (g/mol) | 104.061 |
| Synonym | malonic acid,dicarboxymethane,carboxyacetic acid,methanedicarboxylic acid,kyselina malonova,usaf ek-695,dicarboxylate,dicarboxylic acid,kyselina malonova czech,propanediolic acid |
Dimetylmalonat, 98+%
CAS: 108-59-8 Molekylformel: C5H8O4 Molekylvikt (g/mol): 132.115 MDL-nummer: MFCD00008460 InChI-nyckel: BEPAFCGSDWSTEL-UHFFFAOYSA-N Synonym: dimethyl malonate,methyl malonate,propanedioic acid, dimethyl ester,malonic acid dimethyl ester,1,3-dimethyl propanedioate,dimethyl 1,3-propanedioate,malonic acid, dimethyl ester,unii-em8y79998c,ccris 8981,propanedioic acid dimethyl ester PubChem CID: 7943 IUPAC-namn: dimetylpropandioat LEDER: COC(=O)CC(=O)OC
| Molekylformel | C5H8O4 |
|---|---|
| PubChem CID | 7943 |
| MDL-nummer | MFCD00008460 |
| IUPAC-namn | dimetylpropandioat |
| CAS | 108-59-8 |
| InChI-nyckel | BEPAFCGSDWSTEL-UHFFFAOYSA-N |
| LEDER | COC(=O)CC(=O)OC |
| Molekylvikt (g/mol) | 132.115 |
| Synonym | dimethyl malonate,methyl malonate,propanedioic acid, dimethyl ester,malonic acid dimethyl ester,1,3-dimethyl propanedioate,dimethyl 1,3-propanedioate,malonic acid, dimethyl ester,unii-em8y79998c,ccris 8981,propanedioic acid dimethyl ester |
Malonsyra, 99 %
CAS: 141-82-2 Molekylformel: C3H4O4 Molekylvikt (g/mol): 104.06 InChI-nyckel: OFOBLEOULBTSOW-UHFFFAOYSA-N Synonym: malonic acid,dicarboxymethane,carboxyacetic acid,methanedicarboxylic acid,kyselina malonova,usaf ek-695,dicarboxylate,dicarboxylic acid,kyselina malonova czech,propanediolic acid PubChem CID: 867 ChEBI: CHEBI:30794 IUPAC-namn: propandisyra LEDER: C(C(=O)O)C(=O)O
| Molekylformel | C3H4O4 |
|---|---|
| PubChem CID | 867 |
| IUPAC-namn | propandisyra |
| CAS | 141-82-2 |
| InChI-nyckel | OFOBLEOULBTSOW-UHFFFAOYSA-N |
| LEDER | C(C(=O)O)C(=O)O |
| ChEBI | CHEBI:30794 |
| Molekylvikt (g/mol) | 104.06 |
| Synonym | malonic acid,dicarboxymethane,carboxyacetic acid,methanedicarboxylic acid,kyselina malonova,usaf ek-695,dicarboxylate,dicarboxylic acid,kyselina malonova czech,propanediolic acid |
Etylacetoacetat, 99+%
CAS: 141-97-9 Molekylformel: C6H10O3 Molekylvikt (g/mol): 130.143 MDL-nummer: MFCD00009199 InChI-nyckel: XYIBRDXRRQCHLP-UHFFFAOYSA-N Synonym: ethyl acetoacetate,ethyl acetylacetate,ethyl 3-oxobutyrate,diacetic ether,butanoic acid, 3-oxo-, ethyl ester,ethyl acetylacetonate,acetoacetic acid, ethyl ester,3-oxobutanoic acid ethyl ester,3-oxo-butyric acid ethyl ester,active acetylacetate PubChem CID: 8868 ChEBI: CHEBI:4893 IUPAC-namn: etyl-3-oxobutanoat LEDER: CCOC(=O)CC(=O)C
| Molekylformel | C6H10O3 |
|---|---|
| PubChem CID | 8868 |
| MDL-nummer | MFCD00009199 |
| IUPAC-namn | etyl-3-oxobutanoat |
| CAS | 141-97-9 |
| InChI-nyckel | XYIBRDXRRQCHLP-UHFFFAOYSA-N |
| LEDER | CCOC(=O)CC(=O)C |
| ChEBI | CHEBI:4893 |
| Molekylvikt (g/mol) | 130.143 |
| Synonym | ethyl acetoacetate,ethyl acetylacetate,ethyl 3-oxobutyrate,diacetic ether,butanoic acid, 3-oxo-, ethyl ester,ethyl acetylacetonate,acetoacetic acid, ethyl ester,3-oxobutanoic acid ethyl ester,3-oxo-butyric acid ethyl ester,active acetylacetate |
tert-butylacetoacetat, 97 %
CAS: 1694-31-1 Molekylformel: C8H14O3 Molekylvikt (g/mol): 158.2 MDL-nummer: MFCD00008811 InChI-nyckel: JKUYRAMKJLMYLO-UHFFFAOYSA-N Synonym: tert-butyl acetoacetate,t-butyl acetoacetate,butanoic acid, 3-oxo-, 1,1-dimethylethyl ester,acetoacetic acid, tert-butyl ester,tert-butyl 3-oxobutyrate,acetoacetic acid tert-butyl ester,unii-1d3dos61gx,tbaa,1d3dos61gx,t-butylacetoacetate PubChem CID: 15538 IUPAC-namn: tert-butyl-3-oxobutanoat LEDER: CC(=O)CC(=O)OC(C)(C)C
| Molekylformel | C8H14O3 |
|---|---|
| PubChem CID | 15538 |
| MDL-nummer | MFCD00008811 |
| IUPAC-namn | tert-butyl-3-oxobutanoat |
| CAS | 1694-31-1 |
| InChI-nyckel | JKUYRAMKJLMYLO-UHFFFAOYSA-N |
| LEDER | CC(=O)CC(=O)OC(C)(C)C |
| Molekylvikt (g/mol) | 158.2 |
| Synonym | tert-butyl acetoacetate,t-butyl acetoacetate,butanoic acid, 3-oxo-, 1,1-dimethylethyl ester,acetoacetic acid, tert-butyl ester,tert-butyl 3-oxobutyrate,acetoacetic acid tert-butyl ester,unii-1d3dos61gx,tbaa,1d3dos61gx,t-butylacetoacetate |
Etylacetoacetat, 99 %, rent
CAS: 141-97-9 Molekylformel: C6H10O3 Molekylvikt (g/mol): 130.14 MDL-nummer: MFCD00009199 InChI-nyckel: XYIBRDXRRQCHLP-UHFFFAOYSA-N Synonym: ethyl acetoacetate,ethyl acetylacetate,ethyl 3-oxobutyrate,diacetic ether,butanoic acid, 3-oxo-, ethyl ester,ethyl acetylacetonate,acetoacetic acid, ethyl ester,3-oxobutanoic acid ethyl ester,3-oxo-butyric acid ethyl ester,active acetylacetate PubChem CID: 8868 ChEBI: CHEBI:4893 IUPAC-namn: etyl-3-oxobutanoat LEDER: CCOC(=O)CC(=O)C
| Molekylformel | C6H10O3 |
|---|---|
| PubChem CID | 8868 |
| MDL-nummer | MFCD00009199 |
| IUPAC-namn | etyl-3-oxobutanoat |
| CAS | 141-97-9 |
| InChI-nyckel | XYIBRDXRRQCHLP-UHFFFAOYSA-N |
| LEDER | CCOC(=O)CC(=O)C |
| ChEBI | CHEBI:4893 |
| Molekylvikt (g/mol) | 130.14 |
| Synonym | ethyl acetoacetate,ethyl acetylacetate,ethyl 3-oxobutyrate,diacetic ether,butanoic acid, 3-oxo-, ethyl ester,ethyl acetylacetonate,acetoacetic acid, ethyl ester,3-oxobutanoic acid ethyl ester,3-oxo-butyric acid ethyl ester,active acetylacetate |
Dietylmalonat, 99 %
CAS: 105-53-3 Molekylformel: C7H12O4 Molekylvikt (g/mol): 160.169 MDL-nummer: MFCD00009195 InChI-nyckel: IYXGSMUGOJNHAZ-UHFFFAOYSA-N Synonym: diethyl malonate,malonic ester,propanedioic acid, diethyl ester,dicarbethoxymethane,malonic acid, diethyl ester,carbethoxyacetic ester,malonic acid diethyl ester,1,3-diethyl propanedioate,ethyl propanedioate,ethyl malonate van PubChem CID: 7761 IUPAC-namn: dietylpropandioat LEDER: CCOC(=O)CC(=O)OCC
| Molekylformel | C7H12O4 |
|---|---|
| PubChem CID | 7761 |
| MDL-nummer | MFCD00009195 |
| IUPAC-namn | dietylpropandioat |
| CAS | 105-53-3 |
| InChI-nyckel | IYXGSMUGOJNHAZ-UHFFFAOYSA-N |
| LEDER | CCOC(=O)CC(=O)OCC |
| Molekylvikt (g/mol) | 160.169 |
| Synonym | diethyl malonate,malonic ester,propanedioic acid, diethyl ester,dicarbethoxymethane,malonic acid, diethyl ester,carbethoxyacetic ester,malonic acid diethyl ester,1,3-diethyl propanedioate,ethyl propanedioate,ethyl malonate van |
Malonyldiklorid, 97 %
CAS: 1663-67-8 Molekylformel: C3H2Cl2O2 Molekylvikt (g/mol): 140.95 MDL-nummer: MFCD00000735 InChI-nyckel: SXYFKXOFMCIXQW-UHFFFAOYSA-N Synonym: malonyl chloride,malonyl dichloride,malonoyl chloride,malonic acid dichloride,malonoyl dichloride,malonic acid chloride,malonylchloride,methane-1,1-dicarbonyl chloride,malonylchlorid,malonyldichloride PubChem CID: 74269 IUPAC-namn: propandiyldiklorid LEDER: C(C(=O)Cl)C(=O)Cl
| Molekylformel | C3H2Cl2O2 |
|---|---|
| PubChem CID | 74269 |
| MDL-nummer | MFCD00000735 |
| IUPAC-namn | propandiyldiklorid |
| CAS | 1663-67-8 |
| InChI-nyckel | SXYFKXOFMCIXQW-UHFFFAOYSA-N |
| LEDER | C(C(=O)Cl)C(=O)Cl |
| Molekylvikt (g/mol) | 140.95 |
| Synonym | malonyl chloride,malonyl dichloride,malonoyl chloride,malonic acid dichloride,malonoyl dichloride,malonic acid chloride,malonylchloride,methane-1,1-dicarbonyl chloride,malonylchlorid,malonyldichloride |
Dietylmalonat, 99+%
CAS: 105-53-3 Molekylformel: C7H12O4 Molekylvikt (g/mol): 160.17 InChI-nyckel: IYXGSMUGOJNHAZ-UHFFFAOYSA-N Synonym: diethyl malonate,malonic ester,propanedioic acid, diethyl ester,dicarbethoxymethane,malonic acid, diethyl ester,carbethoxyacetic ester,malonic acid diethyl ester,1,3-diethyl propanedioate,ethyl propanedioate,ethyl malonate van PubChem CID: 7761 IUPAC-namn: dietylpropandioat LEDER: CCOC(=O)CC(=O)OCC
| Molekylformel | C7H12O4 |
|---|---|
| PubChem CID | 7761 |
| IUPAC-namn | dietylpropandioat |
| CAS | 105-53-3 |
| InChI-nyckel | IYXGSMUGOJNHAZ-UHFFFAOYSA-N |
| LEDER | CCOC(=O)CC(=O)OCC |
| Molekylvikt (g/mol) | 160.17 |
| Synonym | diethyl malonate,malonic ester,propanedioic acid, diethyl ester,dicarbethoxymethane,malonic acid, diethyl ester,carbethoxyacetic ester,malonic acid diethyl ester,1,3-diethyl propanedioate,ethyl propanedioate,ethyl malonate van |
tert.-Butylmetylmalonat, 95 %
CAS: 42726-73-8 Molekylformel: C8H14O4 Molekylvikt (g/mol): 174.2 MDL-nummer: MFCD00042856 InChI-nyckel: XPSYZCWYRWHVCC-UHFFFAOYSA-N Synonym: tert-butyl methyl malonate,t-butyl methyl malonate,1-tert-butyl 3-methyl propanedioate,acmc-20ajkv,tert-butyl methylmalote,pubchem20476,methyl tert-butyl malonate,ksc493c8h,tert-butyl methyl malonaoate PubChem CID: 2733872 IUPAC-namn: 3-0-tert-butyl-1-0-metylpropandioat LEDER: CC(C)(C)OC(=O)CC(=O)OC
| Molekylformel | C8H14O4 |
|---|---|
| PubChem CID | 2733872 |
| MDL-nummer | MFCD00042856 |
| IUPAC-namn | 3-0-tert-butyl-1-0-metylpropandioat |
| CAS | 42726-73-8 |
| InChI-nyckel | XPSYZCWYRWHVCC-UHFFFAOYSA-N |
| LEDER | CC(C)(C)OC(=O)CC(=O)OC |
| Molekylvikt (g/mol) | 174.2 |
| Synonym | tert-butyl methyl malonate,t-butyl methyl malonate,1-tert-butyl 3-methyl propanedioate,acmc-20ajkv,tert-butyl methylmalote,pubchem20476,methyl tert-butyl malonate,ksc493c8h,tert-butyl methyl malonaoate |
Dietylfenylmalonat, 98 %
CAS: 83-13-6 MDL-nummer: MFCD00009144 InChI-nyckel: FGYDHYCFHBSNPE-UHFFFAOYSA-N Synonym: diethyl phenylmalonate,diethyl 2-phenylmalonate,phenylmalonic acid diethyl ester,propanedioic acid, phenyl-, diethyl ester,diethylphenylmalonate,1,3-diethyl 2-phenylpropanedioate,malonic acid, phenyl-, diethyl ester,propanedioic acid, 2-phenyl-, 1,3-diethyl ester,diethyl 2-phenylpropane-1,3-dioate,diethyl-phenylmalonate PubChem CID: 66514 IUPAC-namn: dietyl-2-fenylpropandioat LEDER: CCOC(=O)C(C1=CC=CC=C1)C(=O)OCC
| PubChem CID | 66514 |
|---|---|
| MDL-nummer | MFCD00009144 |
| IUPAC-namn | dietyl-2-fenylpropandioat |
| CAS | 83-13-6 |
| InChI-nyckel | FGYDHYCFHBSNPE-UHFFFAOYSA-N |
| LEDER | CCOC(=O)C(C1=CC=CC=C1)C(=O)OCC |
| Synonym | diethyl phenylmalonate,diethyl 2-phenylmalonate,phenylmalonic acid diethyl ester,propanedioic acid, phenyl-, diethyl ester,diethylphenylmalonate,1,3-diethyl 2-phenylpropanedioate,malonic acid, phenyl-, diethyl ester,propanedioic acid, 2-phenyl-, 1,3-diethyl ester,diethyl 2-phenylpropane-1,3-dioate,diethyl-phenylmalonate |
Etylacetoacetat, 99+%, extra rent
CAS: 141-97-9 Molekylformel: C6H10O3 Molekylvikt (g/mol): 130.14 MDL-nummer: MFCD00009199 InChI-nyckel: XYIBRDXRRQCHLP-UHFFFAOYSA-N Synonym: ethyl acetoacetate,ethyl acetylacetate,ethyl 3-oxobutyrate,diacetic ether,butanoic acid, 3-oxo-, ethyl ester,ethyl acetylacetonate,acetoacetic acid, ethyl ester,3-oxobutanoic acid ethyl ester,3-oxo-butyric acid ethyl ester,active acetylacetate PubChem CID: 8868 ChEBI: CHEBI:4893 IUPAC-namn: etyl-3-oxobutanoat LEDER: CCOC(=O)CC(=O)C
| Molekylformel | C6H10O3 |
|---|---|
| PubChem CID | 8868 |
| MDL-nummer | MFCD00009199 |
| IUPAC-namn | etyl-3-oxobutanoat |
| CAS | 141-97-9 |
| InChI-nyckel | XYIBRDXRRQCHLP-UHFFFAOYSA-N |
| LEDER | CCOC(=O)CC(=O)C |
| ChEBI | CHEBI:4893 |
| Molekylvikt (g/mol) | 130.14 |
| Synonym | ethyl acetoacetate,ethyl acetylacetate,ethyl 3-oxobutyrate,diacetic ether,butanoic acid, 3-oxo-, ethyl ester,ethyl acetylacetonate,acetoacetic acid, ethyl ester,3-oxobutanoic acid ethyl ester,3-oxo-butyric acid ethyl ester,active acetylacetate |
Etylmalonylklorid, 95 %
CAS: 36239-09-5 Molekylformel: C5H7ClO3 Molekylvikt (g/mol): 150.56 MDL-nummer: MFCD00000736 InChI-nyckel: KWFADUNOPOSMIJ-UHFFFAOYSA-N Synonym: ethyl 3-chloro-3-oxopropionate,ethyl chloroformylacetate,ethyl chloroformyl acetate,propanoic acid, 3-chloro-3-oxo-, ethyl ester,ethyl3-chloro-3-oxopropanoate,ethyl malonylchloride,carbethoxyacetyl chloride,2-ethoxycarbonylacetyl chloride,ethyl 2-chlorocarbonyl acetate,chloroformyl acetic acid ethyl ester PubChem CID: 118931 IUPAC-namn: etyl-3-klor-3-oxopropanoat LEDER: CCOC(=O)CC(Cl)=O
| Molekylformel | C5H7ClO3 |
|---|---|
| PubChem CID | 118931 |
| MDL-nummer | MFCD00000736 |
| IUPAC-namn | etyl-3-klor-3-oxopropanoat |
| CAS | 36239-09-5 |
| InChI-nyckel | KWFADUNOPOSMIJ-UHFFFAOYSA-N |
| LEDER | CCOC(=O)CC(Cl)=O |
| Molekylvikt (g/mol) | 150.56 |
| Synonym | ethyl 3-chloro-3-oxopropionate,ethyl chloroformylacetate,ethyl chloroformyl acetate,propanoic acid, 3-chloro-3-oxo-, ethyl ester,ethyl3-chloro-3-oxopropanoate,ethyl malonylchloride,carbethoxyacetyl chloride,2-ethoxycarbonylacetyl chloride,ethyl 2-chlorocarbonyl acetate,chloroformyl acetic acid ethyl ester |
Acetoacetamid, 97 %
CAS: 5977-14-0 InChI-nyckel: GCPWJFKTWGFEHH-UHFFFAOYSA-N Synonym: acetoacetamide,acetylacetamide,acetoacetic acid amide,butanamide, 3-oxo,3-oxobutanamid,unii-6o9u7cfy0t,6o9u7cfy0t,3-oxobutyramide,acmc-20alv9 PubChem CID: 80077 ChEBI: CHEBI:28515 IUPAC-namn: 3-oxobutanamid LEDER: CC(=O)CC(=O)N
| PubChem CID | 80077 |
|---|---|
| IUPAC-namn | 3-oxobutanamid |
| CAS | 5977-14-0 |
| InChI-nyckel | GCPWJFKTWGFEHH-UHFFFAOYSA-N |
| LEDER | CC(=O)CC(=O)N |
| ChEBI | CHEBI:28515 |
| Synonym | acetoacetamide,acetylacetamide,acetoacetic acid amide,butanamide, 3-oxo,3-oxobutanamid,unii-6o9u7cfy0t,6o9u7cfy0t,3-oxobutyramide,acmc-20alv9 |
Etyl 2-oxocyklopentankarboxylat, 97+%
CAS: 611-10-9 Molekylformel: C8H12O3 Molekylvikt (g/mol): 156.181 MDL-nummer: MFCD00001412 InChI-nyckel: JHZPNBKZPAWCJD-UHFFFAOYSA-N Synonym: ethyl 2-oxocyclopentanecarboxylate,2-carbethoxycyclopentanone,ethyl cyclopentanone-2-carboxylate,cyclopentanecarboxylic acid, 2-oxo-, ethyl ester,cyclopentanone-2-carboxylic acid ethyl ester,ethyl2-oxocyclopentanecarboxylate,2-ethoxycarbonyl cyclopentanone,ethyl 2-cyclopentanonecarboxylate,.alpha.-carboethoxy cyclopentanone,ethyl 2-cyclopentanone-1-carboxylate PubChem CID: 69136 IUPAC-namn: etyl-2-oxocyklopentan-1-karboxylat LEDER: CCOC(=O)C1CCCC1=O
| Molekylformel | C8H12O3 |
|---|---|
| PubChem CID | 69136 |
| MDL-nummer | MFCD00001412 |
| IUPAC-namn | etyl-2-oxocyklopentan-1-karboxylat |
| CAS | 611-10-9 |
| InChI-nyckel | JHZPNBKZPAWCJD-UHFFFAOYSA-N |
| LEDER | CCOC(=O)C1CCCC1=O |
| Molekylvikt (g/mol) | 156.181 |
| Synonym | ethyl 2-oxocyclopentanecarboxylate,2-carbethoxycyclopentanone,ethyl cyclopentanone-2-carboxylate,cyclopentanecarboxylic acid, 2-oxo-, ethyl ester,cyclopentanone-2-carboxylic acid ethyl ester,ethyl2-oxocyclopentanecarboxylate,2-ethoxycarbonyl cyclopentanone,ethyl 2-cyclopentanonecarboxylate,.alpha.-carboethoxy cyclopentanone,ethyl 2-cyclopentanone-1-carboxylate |