Ethyl 2-methyl-4-nitro-3-(trifluoromethoxy)pyridine-5-acetate
Ethyl 2-(aminomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetate
3-Methyl-4-nitro-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-(Difluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-5-acetic acid