2-Amino-5-bromo-3-chloropyrazine21943-13-534 % similar 2-Amino-3-hydroxy-5-chloropyridine40966-87-834 % similar 4,5-Dichloro-7H-pyrrolo[2,3-D]pyrimidine115093-90-833 % similar 2-Chloroadenine1839-18-532 % similar 4-Chloro-quinazoline5190-68-132 % similar 5-Fluoroquinazolin-4-amine137553-48-132 % similar Isoguanine3373-53-332 % similar 4-Chlorothieno[2,3-D]pyrimidine14080-59-231 % similar (4,6-Dichloropyrimidin-5-yl)acetaldehyde16019-33-331 % similar 4-Chlorothieno[3,2-D]pyrimidine16269-66-231 % similar 4,6-Dichloro-5-nitropyrimidine4316-93-231 % similar 4-Amino-2,6-dichlorophenol5930-28-931 % similar 4-Chloro-5H,6H,7H-pyrrolo[2,3-d]pyrimidin-6-one346599-63-131 % similar 3H-1,2,3-Triazolo(4,5-d)pyrimidin-7-amine1123-54-231 % similar 4,5-Dichloro-6-ethylpyrimidine115617-41-931 % similar 5-(4-Bromophenyl)-4,6-dichloropyrimidine146533-41-731 % similar 2-Amino-4-chloro-5-fluoropyrimidine1683-75-631 % similar Furo[2,3-d]pyrimidin-4-amine186454-70-631 % similar 5H-Pyrrolo[3,2-D]pyrimidin-4-amine (9ci)2227-98-731 % similar 4-Chloropyrido[2,3-D]pyrimidine28732-79-831 % similar