4,6-Dichloro-5-methylpyrimidine4316-97-631 % similar 5-Amino-4,6-dichloropyrimidine5413-85-431 % similar 5-Bromo-4,6-dichloropyrimidine68797-61-531 % similar 4-Chloro-5-methylthieno[2,3-d]pyrimidine43088-67-130 % similar