4-Methyl-6-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Methyl-2-nitro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-(Fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid
3-(Difluoromethyl)-2-methoxy-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine