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