Furo[2,3-d]pyrimidin-4-amine186454-70-6100 % similar 4-Chlorofuro[2,3-D]pyrimidine918340-51-955 % similar 4-Amino-1-phenylpyrazolo(3,4-d)pyrimidine5334-30-534 % similar 6,7-Dimethoxyquinazolin-4-amine21575-13-333 % similar 5H-Pyrrolo[3,2-D]pyrimidin-4-amine (9ci)2227-98-733 % similar 5,6-Dimethoxypyrimidin-4-amine5018-45-133 % similar 4-Amino-7H-pyrrolo[2,3-d]pyrimidine Hydrogen Sulfate769951-32-833 % similar 5,6-Dichloropyrimidin-4-amine310400-38-532 % similar 5-Fluoroquinazolin-4-amine137553-48-131 % similar 6-Chloro-5-methylpyrimidin-4-amine14394-56-031 % similar 4-Amino-6-chloropyrimidin-5-ol38953-42-331 % similar Adenine73-24-531 % similar 6-Chloro-5-fluoropyrimidin-4-amine851984-15-131 % similar