2,5-Bis(2,3-difluorophenyl)-3-(trifluoromethyl)pyridine
2,3-Bis(2,3-difluorophenyl)-5-(trifluoromethyl)pyridine
6-(Difluoromethyl)-2-methyl-3-(trifluoromethyl)pyridine-4-acetic acid
6-(Difluoromethyl)-2-methyl-4-(trifluoromethyl)pyridine-3-acetic acid