4-Chloro-quinazoline5190-68-139 % similar 4-Chloro-5-methylthieno[2,3-d]pyrimidine43088-67-139 % similar 4-Amino-6-chloropyrimidine-5-carbonitrile60025-09-439 % similar 2,3-Dichloropyrazine4858-85-938 % similar 4-Chlorothieno[2,3-D]pyrimidine14080-59-238 % similar 6-Chloro-5-methylpyrimidin-4-amine14394-56-038 % similar (4,6-Dichloropyrimidin-5-yl)acetaldehyde16019-33-338 % similar 4-Chlorothieno[3,2-D]pyrimidine16269-66-238 % similar 4-Amino-6-chloropyrimidin-5-ol38953-42-338 % similar 4,6-Dichloro-5-nitropyrimidine4316-93-238 % similar 6-Chloro-5-fluoropyrimidin-4-amine851984-15-138 % similar 4,6-Dichloropyrimidine-5-carboxylic acid87600-98-438 % similar 4-Chloro-7-methylthieno(3,2-d)pyrimidine175137-21-038 % similar 5-Bromo-4-chloro-7H-pyrrolo[2,3-D]pyrimidine22276-95-538 % similar 4-Chloro-6-methyl-7H-pyrrolo[2,3-D]pyrimidine35808-68-538 % similar 6-Bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidine784150-41-038 % similar 4,5-Dichloro-6-ethylpyrimidine115617-41-937 % similar 5-(4-Bromophenyl)-4,6-dichloropyrimidine146533-41-737 % similar 4-Chloropyrido[2,3-D]pyrimidine28732-79-837 % similar 4-Chloropyrido(3,2-d)pyrimidine51674-77-237 % similar