2-Amino-4-bromonicotinaldehyde
3-(Difluoromethyl)-2-methyl-5-nitropyridine-4-sulfonyl chloride
3-(Difluoromethyl)-2-methyl-4-nitropyridine-5-sulfonyl chloride
2-Amino-3-bromo-6-(chloromethyl)pyridine
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