3-Bromo-2-chloro-6-(difluoromethyl)-4-methylpyridine
3-Amino-6-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-acetic acid
Methyl 2-amino-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-6-acetate
5-Amino-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-acetic acid