Methyl 5-fluoro-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxylate
2-(Chloromethyl)-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-sulfonyl chloride
2-Amino-6-(aminomethyl)-3-(difluoromethyl)pyridine-4-acetic acid
Methyl 3-amino-5-cyano-6-(difluoromethyl)pyridine-2-carboxylate