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