5-(Difluoromethyl)-3-fluoro-2-(trifluoromethyl)pyridine-4-carboxylic acid
2-Mercapto-3-methyl-5-(trifluoromethyl)pyridine
2-Amino-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carboxylic acid
Ethyl 3-(difluoromethyl)-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxylate