Sapropterin62989-33-733 % similar Xanthopterin monohydrate5979-01-133 % similar 2-Amino-6-hydroxy-4(3H)-pyrimidinone56-09-732 % similar 4,6-Difluoro-2-pyrimidinamine675-11-632 % similar Biopterin22150-76-132 % similar 2-Amino-4,6-dimethyl pyrimidine767-15-732 % similar Dihydrobiopterin6779-87-931 % similar Guanine sulfate10333-92-331 % similar Nolatrexed dihydrochloride152946-68-431 % similar Sapropterin dihydrochloride69056-38-831 % similar 2-Amino-6-chloro-4(1H)-pyrimidinone1194-21-431 % similar 2-Amino-4-methoxy-6-methyl-1,3,5-triazine1668-54-831 % similar 2-Aminoisocytosine56-06-431 % similar 4-Bromo-3,5-dimethylpyrazole3398-16-131 % similar 2-Amino-4-chloro-6-methylpyrimidine5600-21-530 % similar