2,5-Dihydroxy-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-5-methyl-2-(trifluoromethoxy)pyridine-3-acetic acid
4-(Fluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-2-acetic acid
2,4-Dihydroxy-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine