| Common name | IUPAC name | Structure |
|---|---|---|
| Pteridine | Pteridine | 
|
| Pterin and derivatives | ||
| Common name | IUPAC name | Structure |
| Pterin | 2-aminopteridin-4(1H)-one | 
|
| Pteroic acid | 4-[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methylamino]benzoic acid 4-[(2-amino-4(1H)-oxopteridin-6-yl)methylamino]benzoic acid |
|
| Folic acid | N-(4-[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methylamino]benzoyl)-L-glutamic acid N-{4-[(2-amino-4(1H)-oxopteridin-6-yl)methylamino]benzoyl}-L-glutamic acid |
|
| Dihydrofolic acid (DHF) |
N-{4-[(2-amino-4-oxo-1,4,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl}-L-glutamic acid N-{4-[(2-amino-4(1H)-oxo-7,8-dihydropteridin-6-yl)methylamino]benzoyl}-L-glutamic acid |
|
| Tetrahydrofolic acid (THF) |
N-{4-[(2-amino-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino]benzoyl}-L-glutamic acid N-{4-[(2-amino-4(1H)-oxo-5,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl}-L-glutamic acid |
|
| 5,10-Methylenetetrahydrofolic acid (5,10-CH2-THF) |
N-[4-(3-amino-1-oxo-1,4,5,6,6a,7-hexahydroimidazo[1,5-f]pteridin-8(9H)-yl)benzoyl]-L-glutamic acid | 
|
| 5,10-Methenyltetrahydrofolic acid (5,10-CH=THF) |
N-[4-(3-amino-1-oxo-1,4,5,6,6a,7-hexahydro-8H-imidazo[1,5-f]pteridin-10-ium-8-yl)benzoyl]-L-glutamic acid | 
|
| 10-Formyltetrahydrofolate (10-CHO-THF) |
N-{4-[6R-(2-amino-4-oxo-5,6,7,8-tetrahydro-1H-pteridin-6-yl)methyl(formyl)amino]benzoyl}-L-glutamic acid | 
|
| 5-Methyltetrahydrofolic acid (5-Me-THF) |
N-{4-[6R-(2-amino-5-methyl-4-oxo-5,6,7,8-tetrahydro-1H-pteridin-6-yl)methylamino]benzoyl}-L-glutamic acid | 
|
| Lumazine and derivatives | ||
| Common name | IUPAC name | Structure |
| Lumazine | pteridine-2,4(1H,3H)-dione | 
|
| Isolumazine | pteridine-2,4(3H,8H)-dione | 
|
| Alloxazine | 1H,3H-benzo[g]pteridine-2,4-dione | 
|
| Isoalloxazine | 3H,10H-benzo[g]pteridine-2,4-dione | 
|
| Lumichrome | 7,8-dimethylbenzo[g]pteridine-2,4(3H,10H)-dione | 
|
| Dimethylisoalloxazine | 7,8-dimethylbenzo[g]pteridine-2,4(3H,10H)-dione | Dimethylisoalloxazine |
| Riboflavin | 7,8-dimethyl-10-[(2R,3R,4S)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4(3H,10H)-dione | 
|
