Ranachrome-5

6-Carboxypterin

PTERINE-6-CARBOXYLIC ACID

2-AMINO-4-HYDROXYPTERIDINE-6-CARBOXYLIC ACID

2-Amino-4-hydroxy-6-pteridinecarboxylic acid

1,4-Dihydro-2-amino-4-oxopteridine-6-carboxylic acid