3,4-Diamino-6-(difluoromethyl)-2-nitropyridine
2,5-Dichloro-4-(difluoromethyl)pyridine-3-methanol
3,4-Diamino-2-(difluoromethyl)-6-nitropyridine
2,6-Diamino-3-(difluoromethyl)-5-nitropyridine
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