5-Chloro-3,4-dibromo-2-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine-2-acetic acid
4-(Chloromethyl)-3-(difluoromethyl)-2-methoxypyridine-5-carboxylic acid
5-(Difluoromethyl)-4-methyl-2-(trifluoromethoxy)pyridine-3-acetic acid