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