Methyl 2,6-dimethyl-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2,5-dimethyl-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2,4-dimethyl-5-(trifluoromethoxy)pyridine-3-carboxylate
4,5-Dimethyl-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride