Ethyl 4-(difluoromethyl)-3-methoxy-2-(trifluoromethyl)pyridine-5-acetate
2-(Difluoromethyl)-5-methyl-3-nitro-6-(trifluoromethyl)pyridine
Ethyl 4-(difluoromethyl)-2-methoxy-6-(trifluoromethyl)pyridine-3-acetate
6-(Difluoromethyl)-4-methyl-2-nitro-3-(trifluoromethyl)pyridine