2-Chloro-5-fluoropyridine31301-51-630 % similar 2-Chloro-5-hydroxypyridine41288-96-430 % similar 5-Amino-2-chloropyridine5350-93-630 % similar 5-Bromo-2-chloropyridine53939-30-330 % similar 2-Chloro-5-iodopyridine69045-79-030 % similar 6-Chloropyridine-3,4-diamine89182-17-230 % similar