3-Methoxy-2-methyl-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
6-Methoxy-2-methyl-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Methoxy-6-methyl-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-(Difluoromethyl)-4-methoxy-6-methyl-3-(trifluoromethoxy)pyridine