Methyl 6-(aminomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 2-(aminomethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetate
3-(Difluoromethyl)pyridine-4-sulfonyl chloride
5-Methyl-2-nitro-3-(trifluoromethoxy)pyridine-6-carbonyl chloride