Ethyl 2-(difluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylate
4-(2-Bromo-4-methoxybenzoyl)pyridine
Methyl 3-(difluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 5-(difluoromethyl)-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate