3-Amino-2,6-dichloro-5-(difluoromethyl)pyridine
3,6-Dibromo-4-(difluoromethyl)pyridine-2-carboxaldehyde
3-Amino-2,5-dichloro-6-(difluoromethyl)pyridine
2,5-Dibromo-3-(difluoromethyl)pyridine-4-carboxaldehyde
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