2-(Aminomethyl)-4-(difluoromethyl)pyridine-6-acetic acid
2-(Chloromethyl)-4-cyano-3-(difluoromethyl)pyridine-6-carboxaldehyde
3-Amino-2-bromo-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
Methyl 2-cyano-4-(difluoromethyl)-3-methylpyridine-6-carboxylate