Methyl 3-(difluoromethyl)-4-nitro-5-(trifluoromethoxy)pyridine-2-carboxylate
5-(Difluoromethyl)-3-methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
4-(Fluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid
Methyl 2-(fluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-5-acetate