2-(Difluoromethyl)-6-methoxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-5-carboxylic acid
4-(Fluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
3-(Difluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine-6-carboxylic acid