imidazopyrimidiner
Filtrerade sökresultat
Koffein, 98,5 %, specificerat enligt req. av USP/BP, Thermo Scientific Chemicals
CAS: 58-08-2 Molekylformel: C8H10N4O2 Molekylvikt (g/mol): 194.19 MDL-nummer: MFCD00005758 InChI-nyckel: RYYVLZVUVIJVGH-UHFFFAOYSA-N Synonym: caffeine,1,3,7-trimethylxanthine,guaranine,thein,cafeina,methyltheobromine,koffein,mateina,theine,alert-pep PubChem CID: 2519 ChEBI: CHEBI:27732 IUPAC-namn: 1,3,7-trimetylpurin-2,6-dion LEDER: CN1C=NC2=C1C(=O)N(C)C(=O)N2C
| Molekylformel | C8H10N4O2 |
|---|---|
| PubChem CID | 2519 |
| MDL-nummer | MFCD00005758 |
| IUPAC-namn | 1,3,7-trimetylpurin-2,6-dion |
| CAS | 58-08-2 |
| InChI-nyckel | RYYVLZVUVIJVGH-UHFFFAOYSA-N |
| LEDER | CN1C=NC2=C1C(=O)N(C)C(=O)N2C |
| ChEBI | CHEBI:27732 |
| Molekylvikt (g/mol) | 194.19 |
| Synonym | caffeine,1,3,7-trimethylxanthine,guaranine,thein,cafeina,methyltheobromine,koffein,mateina,theine,alert-pep |
Urinsyra, 99%, Thermo Scientific Chemicals
CAS: 69-93-2 Molekylformel: C5H4N4O3 Molekylvikt (g/mol): 168.112 MDL-nummer: MFCD00005712 InChI-nyckel: LEHOTFFKMJEONL-UHFFFAOYSA-N Synonym: uric acid,urate,2,6,8-trioxypurine,lithic acid,2,6,8-trihydroxypurine,2,6,8-trioxopurine,1h-purine-2,6,8-triol,8-hydroxyxanthine,7,9-dihydro-1h-purine-2,6,8 3h-trione,1h-purine-2,6,8 3h-trione, 7,9-dihydro PubChem CID: 1175 ChEBI: CHEBI:17775 IUPAC-namn: 7,9-dihydro-3H-purin-2,6,8-trion LEDER: C12=C(NC(=O)N1)NC(=O)NC2=O
| Molekylformel | C5H4N4O3 |
|---|---|
| PubChem CID | 1175 |
| MDL-nummer | MFCD00005712 |
| IUPAC-namn | 7,9-dihydro-3H-purin-2,6,8-trion |
| CAS | 69-93-2 |
| InChI-nyckel | LEHOTFFKMJEONL-UHFFFAOYSA-N |
| LEDER | C12=C(NC(=O)N1)NC(=O)NC2=O |
| ChEBI | CHEBI:17775 |
| Molekylvikt (g/mol) | 168.112 |
| Synonym | uric acid,urate,2,6,8-trioxypurine,lithic acid,2,6,8-trihydroxypurine,2,6,8-trioxopurine,1h-purine-2,6,8-triol,8-hydroxyxanthine,7,9-dihydro-1h-purine-2,6,8 3h-trione,1h-purine-2,6,8 3h-trione, 7,9-dihydro |
9-Methyladenine, 98%, Thermo Scientific Chemicals
CAS: 700-00-5 Molekylformel: C6H7N5 Molekylvikt (g/mol): 149.16 MDL-nummer: MFCD00047232 InChI-nyckel: WRXCXOUDSPTXNX-UHFFFAOYSA-N Synonym: 9-methyladenine,9-methyl-9h-purin-6-amine,n9-methyladenine,9-methyl-9h-adenine,6-amino-9-methylpurine,9h-purin-6-amine, 9-methyl,adenine, 9-methyl,9-methyl-9h-purin-6-ylamine,ccris 6905,chembl65976 PubChem CID: 69689 ChEBI: CHEBI:40526 IUPAC-namn: 9-metylpurin-6-amin LEDER: CN1C=NC2=C(N)N=CN=C12
| Molekylformel | C6H7N5 |
|---|---|
| PubChem CID | 69689 |
| MDL-nummer | MFCD00047232 |
| IUPAC-namn | 9-metylpurin-6-amin |
| CAS | 700-00-5 |
| InChI-nyckel | WRXCXOUDSPTXNX-UHFFFAOYSA-N |
| LEDER | CN1C=NC2=C(N)N=CN=C12 |
| ChEBI | CHEBI:40526 |
| Molekylvikt (g/mol) | 149.16 |
| Synonym | 9-methyladenine,9-methyl-9h-purin-6-amine,n9-methyladenine,9-methyl-9h-adenine,6-amino-9-methylpurine,9h-purin-6-amine, 9-methyl,adenine, 9-methyl,9-methyl-9h-purin-6-ylamine,ccris 6905,chembl65976 |
Urinsyra, +99 %, Thermo Scientific Chemicals
CAS: 69-93-2 Molekylformel: C5H4N4O3 Molekylvikt (g/mol): 168.112 MDL-nummer: MFCD00005712 InChI-nyckel: LEHOTFFKMJEONL-UHFFFAOYSA-N Synonym: uric acid,urate,2,6,8-trioxypurine,lithic acid,2,6,8-trihydroxypurine,2,6,8-trioxopurine,1h-purine-2,6,8-triol,8-hydroxyxanthine,7,9-dihydro-1h-purine-2,6,8 3h-trione,1h-purine-2,6,8 3h-trione, 7,9-dihydro PubChem CID: 1175 ChEBI: CHEBI:17775 IUPAC-namn: 7,9-dihydro-3H-purin-2,6,8-trion LEDER: C12=C(NC(=O)N1)NC(=O)NC2=O
| Molekylformel | C5H4N4O3 |
|---|---|
| PubChem CID | 1175 |
| MDL-nummer | MFCD00005712 |
| IUPAC-namn | 7,9-dihydro-3H-purin-2,6,8-trion |
| CAS | 69-93-2 |
| InChI-nyckel | LEHOTFFKMJEONL-UHFFFAOYSA-N |
| LEDER | C12=C(NC(=O)N1)NC(=O)NC2=O |
| ChEBI | CHEBI:17775 |
| Molekylvikt (g/mol) | 168.112 |
| Synonym | uric acid,urate,2,6,8-trioxypurine,lithic acid,2,6,8-trihydroxypurine,2,6,8-trioxopurine,1h-purine-2,6,8-triol,8-hydroxyxanthine,7,9-dihydro-1h-purine-2,6,8 3h-trione,1h-purine-2,6,8 3h-trione, 7,9-dihydro |
Tenofovirdisoproxilfumarat, 98 %, Thermo Scientific Chemicals
CAS: 202138-50-9 Molekylformel: C19H30N5O10P·C4H4O4 Molekylvikt (g/mol): 635.51 InChI-nyckel: VCMJCVGFSROFHV-WZGZYPNHSA-N Synonym: tenofovir disoproxil fumarate,viread,tenofovir df,unii-ott9j7900i,tenofovir disoproxil fumarate usan,9-r-2-bis isopropoxycarbonyl oxy methoxy phosphinyl methoxy propyl adenine fumarate,9-r-2-bis isopropoxycarbonyl oxy methoxy phosphinyl methoxy propyl adenine, fumarate,r-5-2-6-amino-9h-purin-9-yl-1-methylethoxy methyl-2,4,6,8-tetraoxa-5-phosphanonanedioic acid, bis 1-methylethyl ester, 5-oxide, e-2-butenedioate 1:1,9-r-2-bis isopropoxycarbonyl oxy methoxy phosphinyl methoxy propyl adenine fumarate 1:1 PubChem CID: 6398764 ChEBI: CHEBI:63718 IUPAC-namn: [[(2R)-1-(6-aminopurin-9-yl)propan-2-yl]oximetyl-(propan-2-yloxikarbonyloximetoxi)fosforyl]oximetylpropan-2-ylkarbonat; (E)-but-2-endisyra LEDER: CC(C)OC(=O)OCOP(=O)(COC(C)CN1C=NC2=C1N=CN=C2N)OCOC(=O)OC(C)C.C(=CC(=O)O)C(=O)O
| Molekylformel | C19H30N5O10P·C4H4O4 |
|---|---|
| PubChem CID | 6398764 |
| IUPAC-namn | [[(2R)-1-(6-aminopurin-9-yl)propan-2-yl]oximetyl-(propan-2-yloxikarbonyloximetoxi)fosforyl]oximetylpropan-2-ylkarbonat; (E)-but-2-endisyra |
| CAS | 202138-50-9 |
| InChI-nyckel | VCMJCVGFSROFHV-WZGZYPNHSA-N |
| LEDER | CC(C)OC(=O)OCOP(=O)(COC(C)CN1C=NC2=C1N=CN=C2N)OCOC(=O)OC(C)C.C(=CC(=O)O)C(=O)O |
| ChEBI | CHEBI:63718 |
| Molekylvikt (g/mol) | 635.51 |
| Synonym | tenofovir disoproxil fumarate,viread,tenofovir df,unii-ott9j7900i,tenofovir disoproxil fumarate usan,9-r-2-bis isopropoxycarbonyl oxy methoxy phosphinyl methoxy propyl adenine fumarate,9-r-2-bis isopropoxycarbonyl oxy methoxy phosphinyl methoxy propyl adenine, fumarate,r-5-2-6-amino-9h-purin-9-yl-1-methylethoxy methyl-2,4,6,8-tetraoxa-5-phosphanonanedioic acid, bis 1-methylethyl ester, 5-oxide, e-2-butenedioate 1:1,9-r-2-bis isopropoxycarbonyl oxy methoxy phosphinyl methoxy propyl adenine fumarate 1:1 |
7-(2-Chloroethyl)theophylline, 97%, Thermo Scientific Chemicals
CAS: 5878-61-5 Molekylformel: C9H11ClN4O2 Molekylvikt (g/mol): 242.663 MDL-nummer: MFCD00005760 InChI-nyckel: QCIARNIKNKKHFH-UHFFFAOYSA-N Synonym: 7-2-chloroethyl theophylline,benaphyllin,eupnophile,7-chloroethyl theophylline,theophylline, 7-2-chloroethyl,beta-chloroethyltheophylline,unii-y7202un6b7,7-beta-chlorethyl theophylline,7-chloroethyltheophylline,1h-purine-2,6-dione, 7-2-chloroethyl-3,7-dihydro-1,3-dimethyl PubChem CID: 1882 IUPAC-namn: 7-(2-kloretyl)-1,3-dimetylpurin-2,6-dion LEDER: CN1C2=C(C(=O)N(C1=O)C)N(C=N2)CCCl
| Molekylformel | C9H11ClN4O2 |
|---|---|
| PubChem CID | 1882 |
| MDL-nummer | MFCD00005760 |
| IUPAC-namn | 7-(2-kloretyl)-1,3-dimetylpurin-2,6-dion |
| CAS | 5878-61-5 |
| InChI-nyckel | QCIARNIKNKKHFH-UHFFFAOYSA-N |
| LEDER | CN1C2=C(C(=O)N(C1=O)C)N(C=N2)CCCl |
| Molekylvikt (g/mol) | 242.663 |
| Synonym | 7-2-chloroethyl theophylline,benaphyllin,eupnophile,7-chloroethyl theophylline,theophylline, 7-2-chloroethyl,beta-chloroethyltheophylline,unii-y7202un6b7,7-beta-chlorethyl theophylline,7-chloroethyltheophylline,1h-purine-2,6-dione, 7-2-chloroethyl-3,7-dihydro-1,3-dimethyl |
Thermo Scientific Chemicals 1-metylladenin, 98+%
CAS: 5142-22-3 Molekylformel: C6H7N5 Molekylvikt (g/mol): 149.16 MDL-nummer: MFCD00010532 InChI-nyckel: HPZMWTNATZPBIH-UHFFFAOYSA-N Synonym: 1-methyladenine,1-methyl-1h-purin-6-amine,1h-purin-6-amine, 1-methyl,adenine, 1-methyl,n1-methyladenine,1-methyl-1h-purin-6-ylamine,6h-purin-6-imine, 1,9-dihydro-1-methyl,1-methyl-adenine,1-methyl-9h-purin-6-imine,1-methylhydropurine-6-ylamine PubChem CID: 78821 ChEBI: CHEBI:18083 IUPAC-namn: 1-metylpurin-6-amin LEDER: CN1C=NC2=NC=NC2=C1N
| Molekylformel | C6H7N5 |
|---|---|
| PubChem CID | 78821 |
| MDL-nummer | MFCD00010532 |
| IUPAC-namn | 1-metylpurin-6-amin |
| CAS | 5142-22-3 |
| InChI-nyckel | HPZMWTNATZPBIH-UHFFFAOYSA-N |
| LEDER | CN1C=NC2=NC=NC2=C1N |
| ChEBI | CHEBI:18083 |
| Molekylvikt (g/mol) | 149.16 |
| Synonym | 1-methyladenine,1-methyl-1h-purin-6-amine,1h-purin-6-amine, 1-methyl,adenine, 1-methyl,n1-methyladenine,1-methyl-1h-purin-6-ylamine,6h-purin-6-imine, 1,9-dihydro-1-methyl,1-methyl-adenine,1-methyl-9h-purin-6-imine,1-methylhydropurine-6-ylamine |
2-fluoradenin, 97 %, Thermo Scientific Chemicals
CAS: 700-49-2 Molekylformel: C5H4FN5 Molekylvikt (g/mol): 153.12 MDL-nummer: MFCD01632749 InChI-nyckel: WKMPTBDYDNUJLF-UHFFFAOYSA-N Synonym: 2-fluoroadenine,2-fluoro-6-aminopurine,2-fluoro-1h-purin-6-amine,2-fad,2-fluoro-9h-purin-6-amine,6-amino-2-fluoropurine,2-fluoro-7 9 h-purin-6-ylamine,purine, 6-amino-2-fluoro,fluoroadenine,1h-purin-6-amine, 2-fluoro PubChem CID: 12790 ChEBI: CHEBI:72457 IUPAC-namn: 2-fluoro-7H-purin-6-amin LEDER: NC1=C2NC=NC2=NC(F)=N1
| Molekylformel | C5H4FN5 |
|---|---|
| PubChem CID | 12790 |
| MDL-nummer | MFCD01632749 |
| IUPAC-namn | 2-fluoro-7H-purin-6-amin |
| CAS | 700-49-2 |
| InChI-nyckel | WKMPTBDYDNUJLF-UHFFFAOYSA-N |
| LEDER | NC1=C2NC=NC2=NC(F)=N1 |
| ChEBI | CHEBI:72457 |
| Molekylvikt (g/mol) | 153.12 |
| Synonym | 2-fluoroadenine,2-fluoro-6-aminopurine,2-fluoro-1h-purin-6-amine,2-fad,2-fluoro-9h-purin-6-amine,6-amino-2-fluoropurine,2-fluoro-7 9 h-purin-6-ylamine,purine, 6-amino-2-fluoro,fluoroadenine,1h-purin-6-amine, 2-fluoro |
4,6-dihydroxi-lH-pyrazolo[3,4-d]pyrimidin, 98+%, Thermo Scientific Chemicals
CAS: 2465-59-0 Molekylformel: C5H4N4O2 Molekylvikt (g/mol): 152.113 MDL-nummer: MFCD00056934 InChI-nyckel: HXNFUBHNUDHIGC-UHFFFAOYSA-N Synonym: oxypurinol,oxipurinol,alloxanthine,1h-pyrazolo 3,4-d pyrimidine-4,6-diol,oxoallopurinol,4,6-dihydroxypyrazolo 3,4-d pyrimidine,1h-pyrazolo 3,4-d pyrimidine-4,6 5h,7h-dione,oxipurinolum,1h-pyrazolo 3,4-d pyrimidine-4,6 2h,5h-dione,alloxanthin van PubChem CID: 4644 ChEBI: CHEBI:28315 IUPAC-namn: 1,2-dihydropyrazolo[3,4-d]pyrimidin-4,6-dion LEDER: C1=C2C(=NC(=O)NC2=O)NN1
| Molekylformel | C5H4N4O2 |
|---|---|
| PubChem CID | 4644 |
| MDL-nummer | MFCD00056934 |
| IUPAC-namn | 1,2-dihydropyrazolo[3,4-d]pyrimidin-4,6-dion |
| CAS | 2465-59-0 |
| InChI-nyckel | HXNFUBHNUDHIGC-UHFFFAOYSA-N |
| LEDER | C1=C2C(=NC(=O)NC2=O)NN1 |
| ChEBI | CHEBI:28315 |
| Molekylvikt (g/mol) | 152.113 |
| Synonym | oxypurinol,oxipurinol,alloxanthine,1h-pyrazolo 3,4-d pyrimidine-4,6-diol,oxoallopurinol,4,6-dihydroxypyrazolo 3,4-d pyrimidine,1h-pyrazolo 3,4-d pyrimidine-4,6 5h,7h-dione,oxipurinolum,1h-pyrazolo 3,4-d pyrimidine-4,6 2h,5h-dione,alloxanthin van |
2',3'-O-isopropylidenadenosin, 98 %, Thermo Scientific Chemicals
CAS: 362-75-4 Molekylformel: C13H17N5O4 Molekylvikt (g/mol): 307.31 MDL-nummer: MFCD00005756 InChI-nyckel: LCCLUOXEZAHUNS-AUWRGFAENA-N Synonym: 2',3'-o-isopropylideneadenosine,3ar,4r,6r,6ar-6-6-amino-9h-purin-9-yl-2,2-dimethyltetrahydrofuro 3,4-d 1,3 dioxol-4-yl methanol,2',3'-isopropylideneadenosine,3ar,4r,6r,6ar-6-6-amino-9h-purin-9-yl-2,2-dimethyl-tetrahydro-2h-furo 3,4-d 1,3 dioxol-4-yl methanol,2 ,3-o-isopropylideneadenosine,1r,2r,4r,5r-4-6-aminopurin-9-yl-7,7-dimethyl-3,6,8-trioxabicyclo 3.3.0 oc t-2-yl methan-1-ol,3ar,4r,6r,6ar-4-6-aminopurin-9-yl-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro 3,4-d 1,3 dioxol-6-yl methanol,3ar,4r,6r,6ar-6-6-aminopurin-9-yl-2,2-dimethyl-tetrahydrofuro 3,4-d 1,3 dioxol-4-yl methanol,pubchem14185 PubChem CID: 2723654 IUPAC-namn: [(3aR,4R,6R,6aR)-4-(6-aminopurin-9-yl)-2,2-dimetyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]metanol LEDER: CC1(C)O[C@@H]2[C@@H](CO)O[C@H]([C@@H]2O1)N1C=NC2=C(N)N=CN=C12
| Molekylformel | C13H17N5O4 |
|---|---|
| PubChem CID | 2723654 |
| MDL-nummer | MFCD00005756 |
| IUPAC-namn | [(3aR,4R,6R,6aR)-4-(6-aminopurin-9-yl)-2,2-dimetyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]metanol |
| CAS | 362-75-4 |
| InChI-nyckel | LCCLUOXEZAHUNS-AUWRGFAENA-N |
| LEDER | CC1(C)O[C@@H]2[C@@H](CO)O[C@H]([C@@H]2O1)N1C=NC2=C(N)N=CN=C12 |
| Molekylvikt (g/mol) | 307.31 |
| Synonym | 2',3'-o-isopropylideneadenosine,3ar,4r,6r,6ar-6-6-amino-9h-purin-9-yl-2,2-dimethyltetrahydrofuro 3,4-d 1,3 dioxol-4-yl methanol,2',3'-isopropylideneadenosine,3ar,4r,6r,6ar-6-6-amino-9h-purin-9-yl-2,2-dimethyl-tetrahydro-2h-furo 3,4-d 1,3 dioxol-4-yl methanol,2 ,3-o-isopropylideneadenosine,1r,2r,4r,5r-4-6-aminopurin-9-yl-7,7-dimethyl-3,6,8-trioxabicyclo 3.3.0 oc t-2-yl methan-1-ol,3ar,4r,6r,6ar-4-6-aminopurin-9-yl-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro 3,4-d 1,3 dioxol-6-yl methanol,3ar,4r,6r,6ar-6-6-aminopurin-9-yl-2,2-dimethyl-tetrahydrofuro 3,4-d 1,3 dioxol-4-yl methanol,pubchem14185 |
4,6-dihydroxipyrazolo[3,4-d]pyrimidin, 99 %, Thermo Scientific Chemicals
CAS: 2465-59-0 Molekylformel: C5H4N4O2 Molekylvikt (g/mol): 152.11 MDL-nummer: MFCD00056934 InChI-nyckel: HXNFUBHNUDHIGC-UHFFFAOYSA-N Synonym: oxypurinol,oxipurinol,alloxanthine,1h-pyrazolo 3,4-d pyrimidine-4,6-diol,oxoallopurinol,4,6-dihydroxypyrazolo 3,4-d pyrimidine,1h-pyrazolo 3,4-d pyrimidine-4,6 5h,7h-dione,oxipurinolum,1h-pyrazolo 3,4-d pyrimidine-4,6 2h,5h-dione,alloxanthin van PubChem CID: 4644 ChEBI: CHEBI:28315 IUPAC-namn: 1,2-dihydropyrazolo[3,4-d]pyrimidin-4,6-dion LEDER: C1=C2C(=NC(=O)NC2=O)NN1
| Molekylformel | C5H4N4O2 |
|---|---|
| PubChem CID | 4644 |
| MDL-nummer | MFCD00056934 |
| IUPAC-namn | 1,2-dihydropyrazolo[3,4-d]pyrimidin-4,6-dion |
| CAS | 2465-59-0 |
| InChI-nyckel | HXNFUBHNUDHIGC-UHFFFAOYSA-N |
| LEDER | C1=C2C(=NC(=O)NC2=O)NN1 |
| ChEBI | CHEBI:28315 |
| Molekylvikt (g/mol) | 152.11 |
| Synonym | oxypurinol,oxipurinol,alloxanthine,1h-pyrazolo 3,4-d pyrimidine-4,6-diol,oxoallopurinol,4,6-dihydroxypyrazolo 3,4-d pyrimidine,1h-pyrazolo 3,4-d pyrimidine-4,6 5h,7h-dione,oxipurinolum,1h-pyrazolo 3,4-d pyrimidine-4,6 2h,5h-dione,alloxanthin van |
2-amino-6-hydroxi-8-merkaptopurin, 97 %, Thermo Scientific Chemicals
CAS: 28128-40-7 Molekylformel: C5H5N5OS Molekylvikt (g/mol): 183.19 MDL-nummer: MFCD00075623 InChI-nyckel: JHEKNTQSGTVPAO-UHFFFAOYSA-N Synonym: 2-amino-6-hydroxy-8-mercaptopurine,8-mercaptoguanine,2-amino-8-mercapto-7h-purin-6-ol,2-amino-8-sulfanyl-1,9-dihydro-6h-purin-6-one,2-amino-1,7,8,9-tetrahydro-2-thioxo-6h-purin-6-one,2-amino-8-mercapto-1,9-dihydro-purin-6-one,2-amino-8-thioxo-3,7-dihydropurin-6-one,2-amino-8-sulfanyl-7h-purin-6-ol,2-amino-8-sulfanyl-9h-purin-6-ol,2-amino-8-thioxo-1,7,8,9-tetrahydro-purin-6-one PubChem CID: 2725005 IUPAC-namn: 2-amino-8-sulfanyliden-7,9-dihydro-3H-purin-6-on LEDER: C12=C(NC(=NC1=O)N)NC(=S)N2
| Molekylformel | C5H5N5OS |
|---|---|
| PubChem CID | 2725005 |
| MDL-nummer | MFCD00075623 |
| IUPAC-namn | 2-amino-8-sulfanyliden-7,9-dihydro-3H-purin-6-on |
| CAS | 28128-40-7 |
| InChI-nyckel | JHEKNTQSGTVPAO-UHFFFAOYSA-N |
| LEDER | C12=C(NC(=NC1=O)N)NC(=S)N2 |
| Molekylvikt (g/mol) | 183.19 |
| Synonym | 2-amino-6-hydroxy-8-mercaptopurine,8-mercaptoguanine,2-amino-8-mercapto-7h-purin-6-ol,2-amino-8-sulfanyl-1,9-dihydro-6h-purin-6-one,2-amino-1,7,8,9-tetrahydro-2-thioxo-6h-purin-6-one,2-amino-8-mercapto-1,9-dihydro-purin-6-one,2-amino-8-thioxo-3,7-dihydropurin-6-one,2-amino-8-sulfanyl-7h-purin-6-ol,2-amino-8-sulfanyl-9h-purin-6-ol,2-amino-8-thioxo-1,7,8,9-tetrahydro-purin-6-one |