6-O-Methylguanine20535-83-5100 % similar Guanine73-40-559 % similar O6-Benzylguanine19916-73-557 % similar Thioguanine154-42-755 % similar Guanine hydrochloride635-39-255 % similar Lomeguatrib192441-08-049 % similar Guanine sulfate10333-92-349 % similar 6-Methoxy-9H-purine1074-89-143 % similar 2-Amino-4,6-dimethoxypyrimidine256642-28-139 % similar 2-Amino-4,6-dimethoxypyrimidine36315-01-239 % similar 2-Amino-4-methoxy-6-methyl-1,3,5-triazine1668-54-838 % similar Nelarabine121032-29-937 % similar 6-Chloro-5-methoxy-4-pyrimidinamine5018-41-737 % similar 4-Chloro-6-methoxy-2-pyrimidinamine5734-64-537 % similar 4-Methoxy-2-pyrimidinamine155-90-837 % similar 1,3,5-Triazine-2,4-diamine504-08-535 % similar 8-Azaguanine134-58-732 % similar Pterin2236-60-432 % similar 8-Mercaptoguanine28128-40-731 % similar 6,7-Dimethylpterin611-55-231 % similar