2-(Difluoromethyl)-3-methoxy-4-nitro-5-(trifluoromethyl)pyridine
4-(Aminomethyl)-5-(difluoromethyl)-2-methyl-3-nitropyridine
3-(Aminomethyl)-2-(difluoromethyl)-6-methyl-5-nitropyridine
2-(Difluoromethyl)-4-methoxy-5-nitropyridine-3-methanol
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