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