1-Chloro-3-iodobenzene625-99-031 % similar 4-Iodopyridine15854-87-230 % similar 4-Chloro-6-iodoquinazoline98556-31-130 % similar 2-Chloropurine1681-15-830 % similar 2-Chloro-4-methylpyrimidin-5-amine20090-69-130 % similar 4-Amino-5-bromo-2-chloropyrimidine205672-25-930 % similar 6-Chloro-1H-pyrazolo[3,4-D]pyrimidine23002-51-930 % similar 5-Bromo-2-chloro-4-methylpyrimidine633328-95-730 % similar