Filtrerade sökresultat
2-Methyltetrahydrofuran, 99+%, Extra Dry, stabilized, AcroSeal™
CAS: 96-47-9 Molekylformel: C5H10O Molekylvikt (g/mol): 86.13 MDL-nummer: MFCD00005367 InChI-nyckel: JWUJQDFVADABEY-UHFFFAOYSA-N Synonym: 2-methyltetrahydrofuran,methyltetrahydrofuran,tetrahydrosylvan,tetrahydro-2-methylfuran,furan, tetrahydro-2-methyl,furan, 2-methyl-tetrahydro,2-methyl tetrahydrofuran,2-methyl-tetrahydrofuran,2-methyl-tetrahydro-furan,methyl tetrahydrofuran PubChem CID: 7301 IUPAC-namn: 2-metyloxolan LEDER: CC1CCCO1
| Molekylformel | C5H10O |
|---|---|
| PubChem CID | 7301 |
| MDL-nummer | MFCD00005367 |
| IUPAC-namn | 2-metyloxolan |
| CAS | 96-47-9 |
| InChI-nyckel | JWUJQDFVADABEY-UHFFFAOYSA-N |
| LEDER | CC1CCCO1 |
| Molekylvikt (g/mol) | 86.13 |
| Synonym | 2-methyltetrahydrofuran,methyltetrahydrofuran,tetrahydrosylvan,tetrahydro-2-methylfuran,furan, tetrahydro-2-methyl,furan, 2-methyl-tetrahydro,2-methyl tetrahydrofuran,2-methyl-tetrahydrofuran,2-methyl-tetrahydro-furan,methyl tetrahydrofuran |
2-Methyltetrahydrofuran, For Grignard reaction, anhydrous, stabilized
CAS: 96-47-9 Molekylformel: C5H10O Molekylvikt (g/mol): 86.13 InChI-nyckel: JWUJQDFVADABEY-UHFFFAOYSA-N Synonym: 2-methyltetrahydrofuran,methyltetrahydrofuran,tetrahydrosylvan,tetrahydro-2-methylfuran,furan, tetrahydro-2-methyl,furan, 2-methyl-tetrahydro,2-methyl tetrahydrofuran,2-methyl-tetrahydrofuran,2-methyl-tetrahydro-furan,methyl tetrahydrofuran PubChem CID: 7301 IUPAC-namn: 2-metyloxolan LEDER: CC1CCCO1
| Molekylformel | C5H10O |
|---|---|
| PubChem CID | 7301 |
| IUPAC-namn | 2-metyloxolan |
| CAS | 96-47-9 |
| InChI-nyckel | JWUJQDFVADABEY-UHFFFAOYSA-N |
| LEDER | CC1CCCO1 |
| Molekylvikt (g/mol) | 86.13 |
| Synonym | 2-methyltetrahydrofuran,methyltetrahydrofuran,tetrahydrosylvan,tetrahydro-2-methylfuran,furan, tetrahydro-2-methyl,furan, 2-methyl-tetrahydro,2-methyl tetrahydrofuran,2-methyl-tetrahydrofuran,2-methyl-tetrahydro-furan,methyl tetrahydrofuran |
Itaconic anhydride, 98%
CAS: 2170-03-8 Molekylformel: C5H4O3 Molekylvikt (g/mol): 112.08 MDL-nummer: MFCD00005530 InChI-nyckel: OFNISBHGPNMTMS-UHFFFAOYSA-N Synonym: itaconic anhydride,itaconic acid anhydride,2-methylenesuccinic anhydride,methylenesuccinic anhydride,2,5-furandione, dihydro-3-methylene,itaconicanhydride,succinic anhydride, methylene,dihydro-3-methylene-2,5-furandione,3-methylenedihydro-2,5-furandione,unii-y455ks1u7q PubChem CID: 75110 IUPAC-namn: 3-metylidenoxolan-2,5-dion LEDER: C=C1CC(=O)OC1=O
| Molekylformel | C5H4O3 |
|---|---|
| PubChem CID | 75110 |
| MDL-nummer | MFCD00005530 |
| IUPAC-namn | 3-metylidenoxolan-2,5-dion |
| CAS | 2170-03-8 |
| InChI-nyckel | OFNISBHGPNMTMS-UHFFFAOYSA-N |
| LEDER | C=C1CC(=O)OC1=O |
| Molekylvikt (g/mol) | 112.08 |
| Synonym | itaconic anhydride,itaconic acid anhydride,2-methylenesuccinic anhydride,methylenesuccinic anhydride,2,5-furandione, dihydro-3-methylene,itaconicanhydride,succinic anhydride, methylene,dihydro-3-methylene-2,5-furandione,3-methylenedihydro-2,5-furandione,unii-y455ks1u7q |
1-(2-Tetrahydrofuroyl)piperazine, 97%
CAS: 63074-07-7 Molekylformel: C9H16N2O2 Molekylvikt (g/mol): 184.239 MDL-nummer: MFCD00190247 InChI-nyckel: UKESBLFBQANJHH-UHFFFAOYSA-N Synonym: 1-tetrahydro-2-furoyl piperazine,1-2-tetrahydrofuroyl piperazine,piperazin-1-yl tetrahydrofuran-2-yl methanone,1-2-tetrahydrofuroyl-piperazine,n-2-tetrahydrofuroyl piperazine,1-oxolane-2-carbonyl piperazine,1-tetrahydrofuran-2-ylcarbonyl piperazine,n-tetrahydro-2-furoyl piperazine,1-oxolan-2-ylcarbonyl piperazine,oxolan-2-yl piperazin-1-yl methanone PubChem CID: 2734641 IUPAC-namn: oxolan-2-yl(piperazin-1-yl)metanon LEDER: C1CC(OC1)C(=O)N2CCNCC2
| Molekylformel | C9H16N2O2 |
|---|---|
| PubChem CID | 2734641 |
| MDL-nummer | MFCD00190247 |
| IUPAC-namn | oxolan-2-yl(piperazin-1-yl)metanon |
| CAS | 63074-07-7 |
| InChI-nyckel | UKESBLFBQANJHH-UHFFFAOYSA-N |
| LEDER | C1CC(OC1)C(=O)N2CCNCC2 |
| Molekylvikt (g/mol) | 184.239 |
| Synonym | 1-tetrahydro-2-furoyl piperazine,1-2-tetrahydrofuroyl piperazine,piperazin-1-yl tetrahydrofuran-2-yl methanone,1-2-tetrahydrofuroyl-piperazine,n-2-tetrahydrofuroyl piperazine,1-oxolane-2-carbonyl piperazine,1-tetrahydrofuran-2-ylcarbonyl piperazine,n-tetrahydro-2-furoyl piperazine,1-oxolan-2-ylcarbonyl piperazine,oxolan-2-yl piperazin-1-yl methanone |
cis-5-norbornen-exo-2,3-dikarboxylsyraanhydrid, 95 %, Thermo Scientific Chemicals
CAS: 2746-19-2 Molekylformel: C9H8O3 Molekylvikt (g/mol): 164.16 MDL-nummer: MFCD00630580 InChI-nyckel: KNDQHSIWLOJIGP-RNGGSSJXSA-N Synonym: cis-5-norbornene-exo-2,3-dicarboxylic anhydride,3ar,4r,7s,7as-rel-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione,himic anhydride,unii-n1kqo6559b,norborn-5-ene-2exo,3exo-dicarboxylic acid anhydride,4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, 3aalpha,4beta,7beta,7aalpha-9ci,exo-5-norbornene-2,3-dicarboxylic anhydride,exo-3,6-methylene-1,2,3,6-tetrahydrophthalic anhydride,endicanhydride,1r,2r,6s,7s-4-oxatricyclo 5.2.1.0 2 ,? dec-8-ene-3,5-dione PubChem CID: 637794 LEDER: C1C2C=CC1C3C2C(=O)OC3=O
| Molekylformel | C9H8O3 |
|---|---|
| PubChem CID | 637794 |
| MDL-nummer | MFCD00630580 |
| CAS | 2746-19-2 |
| InChI-nyckel | KNDQHSIWLOJIGP-RNGGSSJXSA-N |
| LEDER | C1C2C=CC1C3C2C(=O)OC3=O |
| Molekylvikt (g/mol) | 164.16 |
| Synonym | cis-5-norbornene-exo-2,3-dicarboxylic anhydride,3ar,4r,7s,7as-rel-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione,himic anhydride,unii-n1kqo6559b,norborn-5-ene-2exo,3exo-dicarboxylic acid anhydride,4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, 3aalpha,4beta,7beta,7aalpha-9ci,exo-5-norbornene-2,3-dicarboxylic anhydride,exo-3,6-methylene-1,2,3,6-tetrahydrophthalic anhydride,endicanhydride,1r,2r,6s,7s-4-oxatricyclo 5.2.1.0 2 ,? dec-8-ene-3,5-dione |
2,5-Dimethoxytetrahydrofuran, 99%, mixture of cis- and trans isomers
CAS: 696-59-3 Molekylformel: C6H12O3 Molekylvikt (g/mol): 132.16 MDL-nummer: MFCD00005359 InChI-nyckel: GFISDBXSWQMOND-UHFFFAOYSA-N Synonym: 2,5-dimethoxytetrahydrofuran,tetrahydro-2,5-dimethoxyfuran,furan, tetrahydro-2,5-dimethoxy,2,5-dimethoxytetrahydrofurane,2,5-dimethoxy-tetrahydrofuran,2,5-dimethoxytetrahydrofuran, mixture of cis-and trans isomers,dimethoxytetrahydrofuran van,protectol dmt,furan,5-dimethoxy,dmthf PubChem CID: 79098 IUPAC-namn: 2,5-dimetoxioxolan LEDER: COC1CCC(O1)OC
| Molekylformel | C6H12O3 |
|---|---|
| PubChem CID | 79098 |
| MDL-nummer | MFCD00005359 |
| IUPAC-namn | 2,5-dimetoxioxolan |
| CAS | 696-59-3 |
| InChI-nyckel | GFISDBXSWQMOND-UHFFFAOYSA-N |
| LEDER | COC1CCC(O1)OC |
| Molekylvikt (g/mol) | 132.16 |
| Synonym | 2,5-dimethoxytetrahydrofuran,tetrahydro-2,5-dimethoxyfuran,furan, tetrahydro-2,5-dimethoxy,2,5-dimethoxytetrahydrofurane,2,5-dimethoxy-tetrahydrofuran,2,5-dimethoxytetrahydrofuran, mixture of cis-and trans isomers,dimethoxytetrahydrofuran van,protectol dmt,furan,5-dimethoxy,dmthf |
Bärnstenssyraanhydrid, 99 %, Thermo Scientific Chemicals
CAS: 108-30-5 Molekylformel: C4H4O3 Molekylvikt (g/mol): 100.07 MDL-nummer: MFCD00005525 InChI-nyckel: RINCXYDBBGOEEQ-UHFFFAOYSA-N Synonym: succinic anhydride,dihydrofuran-2,5-dione,succinic acid anhydride,succinyl oxide,2,5-diketotetrahydrofuran,dihydro-2,5-furandione,butanedioic anhydride,2,5-furandione, dihydro,succinyl anhydride,rikacid sa PubChem CID: 7922 ChEBI: CHEBI:36595 IUPAC-namn: oxolan-2,5-dion LEDER: O=C1CCC(=O)O1
| Molekylformel | C4H4O3 |
|---|---|
| PubChem CID | 7922 |
| MDL-nummer | MFCD00005525 |
| IUPAC-namn | oxolan-2,5-dion |
| CAS | 108-30-5 |
| InChI-nyckel | RINCXYDBBGOEEQ-UHFFFAOYSA-N |
| LEDER | O=C1CCC(=O)O1 |
| ChEBI | CHEBI:36595 |
| Molekylvikt (g/mol) | 100.07 |
| Synonym | succinic anhydride,dihydrofuran-2,5-dione,succinic acid anhydride,succinyl oxide,2,5-diketotetrahydrofuran,dihydro-2,5-furandione,butanedioic anhydride,2,5-furandione, dihydro,succinyl anhydride,rikacid sa |
2-Methyltetrahydrofuran-3-one, 98+%
CAS: 3188-00-9 Molekylformel: C5H8O2 Molekylvikt (g/mol): 100.117 MDL-nummer: MFCD00010423 InChI-nyckel: FCWYQRVIQDNGBI-UHFFFAOYSA-N Synonym: 2-methyltetrahydrofuran-3-one,2-methyl tetrahydro-3-furanone,2-methyltetrahydro-3-furanone,3 2h-furanone, dihydro-2-methyl,dihydro-2-methyl-3 2h-furanone,coffee furanone,dihydro-2-methyl-3-furanone,tetrahydro-2-methylfuran-3-one,2-methyl-3-oxotetrahydrofuran,2-methyl-3-ketotetrahydrofuran PubChem CID: 18522 IUPAC-namn: 2-metyloxolan-3-on LEDER: CC1C(=O)CCO1
| Molekylformel | C5H8O2 |
|---|---|
| PubChem CID | 18522 |
| MDL-nummer | MFCD00010423 |
| IUPAC-namn | 2-metyloxolan-3-on |
| CAS | 3188-00-9 |
| InChI-nyckel | FCWYQRVIQDNGBI-UHFFFAOYSA-N |
| LEDER | CC1C(=O)CCO1 |
| Molekylvikt (g/mol) | 100.117 |
| Synonym | 2-methyltetrahydrofuran-3-one,2-methyl tetrahydro-3-furanone,2-methyltetrahydro-3-furanone,3 2h-furanone, dihydro-2-methyl,dihydro-2-methyl-3 2h-furanone,coffee furanone,dihydro-2-methyl-3-furanone,tetrahydro-2-methylfuran-3-one,2-methyl-3-oxotetrahydrofuran,2-methyl-3-ketotetrahydrofuran |
2,2-dimetylbärnstenssyraanhydrid, 98 %, Thermo Scientific Chemicals
CAS: 17347-61-4 Molekylformel: C6H8O3 Molekylvikt (g/mol): 128.13 MDL-nummer: MFCD00022608 InChI-nyckel: ACJPFLIEHGFXGP-UHFFFAOYSA-N Synonym: 2,2-dimethylsuccinic anhydride,3,3-dimethyldihydrofuran-2,5-dione,unii-tl903a7h7v,2,5-furandione, dihydro-3,3-dimethyl,2,2-dimethyl succinic anhydride,2,2-dimethylsuccinicanhydride,dihydro-3,3-dimethylfuran-2,5-dione,2,2-dimethylsuccinic acid anhydride,dihydro-3,3-dimethyl-2,5-furandione,ksc490q1j PubChem CID: 87067 IUPAC-namn: 3,3-dimetyloxolan-2,5-dion LEDER: CC1(C)CC(=O)OC1=O
| Molekylformel | C6H8O3 |
|---|---|
| PubChem CID | 87067 |
| MDL-nummer | MFCD00022608 |
| IUPAC-namn | 3,3-dimetyloxolan-2,5-dion |
| CAS | 17347-61-4 |
| InChI-nyckel | ACJPFLIEHGFXGP-UHFFFAOYSA-N |
| LEDER | CC1(C)CC(=O)OC1=O |
| Molekylvikt (g/mol) | 128.13 |
| Synonym | 2,2-dimethylsuccinic anhydride,3,3-dimethyldihydrofuran-2,5-dione,unii-tl903a7h7v,2,5-furandione, dihydro-3,3-dimethyl,2,2-dimethyl succinic anhydride,2,2-dimethylsuccinicanhydride,dihydro-3,3-dimethylfuran-2,5-dione,2,2-dimethylsuccinic acid anhydride,dihydro-3,3-dimethyl-2,5-furandione,ksc490q1j |
Tetrahydro-2-furoic acid, 98+%
CAS: 16874-33-2 Molekylformel: C5H8O3 Molekylvikt (g/mol): 116.12 MDL-nummer: MFCD00022473 InChI-nyckel: UJJLJRQIPMGXEZ-UHFFFAOYSA-N Synonym: 2-tetrahydrofuroic acid,tetrahydrofuran-2-carboxylic acid,tetrahydro-2-furoic acid,tetrahydro-2-furancarboxylic acid,2-furancarboxylic acid, tetrahydro,furancarboxylic acid, tetrahydro,2-furoic acid, tetrahydro,thfc,tetrahydrofuroic acid,pubchem7088 PubChem CID: 86079 IUPAC-namn: oxolan-2-karboxylsyra LEDER: C1CC(OC1)C(=O)O
| Molekylformel | C5H8O3 |
|---|---|
| PubChem CID | 86079 |
| MDL-nummer | MFCD00022473 |
| IUPAC-namn | oxolan-2-karboxylsyra |
| CAS | 16874-33-2 |
| InChI-nyckel | UJJLJRQIPMGXEZ-UHFFFAOYSA-N |
| LEDER | C1CC(OC1)C(=O)O |
| Molekylvikt (g/mol) | 116.12 |
| Synonym | 2-tetrahydrofuroic acid,tetrahydrofuran-2-carboxylic acid,tetrahydro-2-furoic acid,tetrahydro-2-furancarboxylic acid,2-furancarboxylic acid, tetrahydro,furancarboxylic acid, tetrahydro,2-furoic acid, tetrahydro,thfc,tetrahydrofuroic acid,pubchem7088 |
2,5-dimetoxitetrahydrofuran, cis + trans, 98 %, Thermo Scientific Chemicals
CAS: 696-59-3 Molekylformel: C6H12O3 Molekylvikt (g/mol): 132.159 MDL-nummer: MFCD00005359 InChI-nyckel: GFISDBXSWQMOND-UHFFFAOYSA-N Synonym: 2,5-dimethoxytetrahydrofuran,tetrahydro-2,5-dimethoxyfuran,furan, tetrahydro-2,5-dimethoxy,2,5-dimethoxytetrahydrofurane,2,5-dimethoxy-tetrahydrofuran,2,5-dimethoxytetrahydrofuran, mixture of cis-and trans isomers,dimethoxytetrahydrofuran van,protectol dmt,furan,5-dimethoxy,dmthf PubChem CID: 79098 IUPAC-namn: 2,5-dimetoxioxolan LEDER: COC1CCC(O1)OC
| Molekylformel | C6H12O3 |
|---|---|
| PubChem CID | 79098 |
| MDL-nummer | MFCD00005359 |
| IUPAC-namn | 2,5-dimetoxioxolan |
| CAS | 696-59-3 |
| InChI-nyckel | GFISDBXSWQMOND-UHFFFAOYSA-N |
| LEDER | COC1CCC(O1)OC |
| Molekylvikt (g/mol) | 132.159 |
| Synonym | 2,5-dimethoxytetrahydrofuran,tetrahydro-2,5-dimethoxyfuran,furan, tetrahydro-2,5-dimethoxy,2,5-dimethoxytetrahydrofurane,2,5-dimethoxy-tetrahydrofuran,2,5-dimethoxytetrahydrofuran, mixture of cis-and trans isomers,dimethoxytetrahydrofuran van,protectol dmt,furan,5-dimethoxy,dmthf |
(R)-(-)-Tetrahydrofurfurylamine, 98+%
CAS: 7202-43-9 Molekylformel: C5H11NO Molekylvikt (g/mol): 101.149 MDL-nummer: MFCD00192476 InChI-nyckel: YNOGYQAEJGADFJ-RXMQYKEDSA-N Synonym: r---tetrahydrofurfurylamine,r-tetrahydrofuran-2-yl methanamine,r-tetrahydrofurfurylamine,2r-oxolan-2-ylmethanamine,2r-tetrahydro-2-furanmethanamine,2-furanmethanamine, tetrahydro-, 2r,1-2r-tetrahydrofuran-2-yl methanamine,pubchem7001,2r-tetrahydrofurfurylamine PubChem CID: 2734124 IUPAC-namn: [(2R)-oxolan-2-yl]metanamin LEDER: C1CC(OC1)CN
| Molekylformel | C5H11NO |
|---|---|
| PubChem CID | 2734124 |
| MDL-nummer | MFCD00192476 |
| IUPAC-namn | [(2R)-oxolan-2-yl]metanamin |
| CAS | 7202-43-9 |
| InChI-nyckel | YNOGYQAEJGADFJ-RXMQYKEDSA-N |
| LEDER | C1CC(OC1)CN |
| Molekylvikt (g/mol) | 101.149 |
| Synonym | r---tetrahydrofurfurylamine,r-tetrahydrofuran-2-yl methanamine,r-tetrahydrofurfurylamine,2r-oxolan-2-ylmethanamine,2r-tetrahydro-2-furanmethanamine,2-furanmethanamine, tetrahydro-, 2r,1-2r-tetrahydrofuran-2-yl methanamine,pubchem7001,2r-tetrahydrofurfurylamine |
cis-5-norbornen-exo-2,3-dikarboxylsyraanhydrid, 95 %, Thermo Scientific Chemicals
CAS: 2746-19-2 Molekylformel: C9H8O3 Molekylvikt (g/mol): 164.16 MDL-nummer: MFCD00630580 InChI-nyckel: KNDQHSIWLOJIGP-RNGGSSJXSA-N Synonym: cis-5-norbornene-exo-2,3-dicarboxylic anhydride,3ar,4r,7s,7as-rel-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione,himic anhydride,unii-n1kqo6559b,norborn-5-ene-2exo,3exo-dicarboxylic acid anhydride,4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, 3aalpha,4beta,7beta,7aalpha-9ci,exo-5-norbornene-2,3-dicarboxylic anhydride,exo-3,6-methylene-1,2,3,6-tetrahydrophthalic anhydride,endicanhydride,1r,2r,6s,7s-4-oxatricyclo 5.2.1.0 2 ,? dec-8-ene-3,5-dione PubChem CID: 637794 LEDER: C1C2C=CC1C3C2C(=O)OC3=O
| Molekylformel | C9H8O3 |
|---|---|
| PubChem CID | 637794 |
| MDL-nummer | MFCD00630580 |
| CAS | 2746-19-2 |
| InChI-nyckel | KNDQHSIWLOJIGP-RNGGSSJXSA-N |
| LEDER | C1C2C=CC1C3C2C(=O)OC3=O |
| Molekylvikt (g/mol) | 164.16 |
| Synonym | cis-5-norbornene-exo-2,3-dicarboxylic anhydride,3ar,4r,7s,7as-rel-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione,himic anhydride,unii-n1kqo6559b,norborn-5-ene-2exo,3exo-dicarboxylic acid anhydride,4,7-methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, 3aalpha,4beta,7beta,7aalpha-9ci,exo-5-norbornene-2,3-dicarboxylic anhydride,exo-3,6-methylene-1,2,3,6-tetrahydrophthalic anhydride,endicanhydride,1r,2r,6s,7s-4-oxatricyclo 5.2.1.0 2 ,? dec-8-ene-3,5-dione |
Itaconic anhydride, 97%
CAS: 2170-03-8 Molekylformel: C5H4O3 Molekylvikt (g/mol): 112.08 MDL-nummer: MFCD00005530 InChI-nyckel: OFNISBHGPNMTMS-UHFFFAOYSA-N Synonym: itaconic anhydride,itaconic acid anhydride,2-methylenesuccinic anhydride,methylenesuccinic anhydride,2,5-furandione, dihydro-3-methylene,itaconicanhydride,succinic anhydride, methylene,dihydro-3-methylene-2,5-furandione,3-methylenedihydro-2,5-furandione,unii-y455ks1u7q PubChem CID: 75110 IUPAC-namn: 3-metylidenoxolan-2,5-dion LEDER: C=C1CC(=O)OC1=O
| Molekylformel | C5H4O3 |
|---|---|
| PubChem CID | 75110 |
| MDL-nummer | MFCD00005530 |
| IUPAC-namn | 3-metylidenoxolan-2,5-dion |
| CAS | 2170-03-8 |
| InChI-nyckel | OFNISBHGPNMTMS-UHFFFAOYSA-N |
| LEDER | C=C1CC(=O)OC1=O |
| Molekylvikt (g/mol) | 112.08 |
| Synonym | itaconic anhydride,itaconic acid anhydride,2-methylenesuccinic anhydride,methylenesuccinic anhydride,2,5-furandione, dihydro-3-methylene,itaconicanhydride,succinic anhydride, methylene,dihydro-3-methylene-2,5-furandione,3-methylenedihydro-2,5-furandione,unii-y455ks1u7q |