3,4-Dimethoxy-6-(trifluoromethoxy)pyridine-2-carboxylic acid
5-Amino-2-methoxy-4-nitro-3-(trifluoromethoxy)pyridine
3,4-Dimethoxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Amino-5-methoxy-2-nitro-3-(trifluoromethoxy)pyridine
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