3-Chloro-4-methylpyridine72093-04-030 % similar 2-Fluoro-3-nitro-4-picoline19346-43-130 % similar 2-Chloro-4-methyl-3-nitropyridine23056-39-530 % similar 2-Bromo-3-nitro-4-picoline23056-45-330 % similar O-Toluidine95-53-430 % similar