4-Chloro-5-fluoro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
6-(Difluoromethyl)-3-methoxy-4-nitropyridine-2-sulfonyl chloride
Ethyl 4,5-dimethoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2,3-diaminoisonicotinate
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