3-Chloro-4-methylpyridazine68206-04-230 % similar 3-Chloro-4-iodopyridine77332-79-730 % similar 3,6-Dichloropyridazin-4-amine823-58-530 % similar 2-Chloro-6-methylaniline87-63-830 % similar 2,5-Dichloropyrimidin-4-amine89180-51-830 % similar 4-Amino-3,5-diiodopyridine98136-86-830 % similar