3-(Difluoromethyl)-4-methoxy-6-nitro-2-(trifluoromethyl)pyridine
3-(Difluoromethyl)-4-methoxy-5-nitro-2-(trifluoromethyl)pyridine
4-(Difluoromethyl)-2-methoxy-3-(trifluoromethyl)pyridine-5-acetic acid
3-(Difluoromethyl)-4-methoxy-2-nitro-5-(trifluoromethyl)pyridine