2,3-Dimethoxy-4-nitro-5-(trifluoromethoxy)pyridine
4-Amino-5-fluoro-2-methoxy-3-(trifluoromethoxy)pyridine
3,4-Dimethoxy-2-iodo-5-(trifluoromethoxy)pyridine
3-Amino-5-fluoro-4-methoxy-2-(trifluoromethoxy)pyridine
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