2-(Fluoromethyl)-5-methyl-3-(trifluoromethoxy)pyridine-4-carboxylic acid
6-(Difluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine-2-acetic acid
6-(Fluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Difluoromethyl)-3-methyl-4-(trifluoromethoxy)pyridine-5-acetic acid