2-Amino-5-chloro-3-(difluoromethyl)-4-nitropyridine
2-(Difluoromethyl)-3,4-dimethoxy-6-nitropyridine
6-Amino-4-chloro-3-(difluoromethyl)-2-nitropyridine
3-(Difluoromethyl)-2,4-dimethoxy-6-nitropyridine
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