3,6-Diamino-4-(difluoromethyl)-2-fluoropyridine
2,5-Diamino-3-(difluoromethyl)-6-fluoropyridine
4,6-Diamino-3-(difluoromethyl)-2-fluoropyridine
2-Amino-3,5-difluoro-6-(difluoromethyl)pyridine
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