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