3-(Difluoromethyl)-5-nitropyridine-4-sulfonyl chloride
Methyl 3-(aminomethyl)-2-(difluoromethyl)pyridine-4-acetate
3-(Difluoromethyl)-4-nitropyridine-5-sulfonyl chloride
5-(Aminomethyl)-2-(difluoromethyl)pyridine-3-acetic acid
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