4-(Difluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Difluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine-3-carboxylic acid
5-(Difluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2,5-Bis(2,3-difluorophenyl)-4-iodopyridine