2-Amino-5-(difluoromethyl)-4-iodo-3-nitropyridine
2-Amino-3-chloro-5-(difluoromethyl)pyridine-6-carboxaldehyde
6-Amino-4-(difluoromethyl)-2-iodo-3-nitropyridine
2-Amino-3-chloro-4-(difluoromethyl)pyridine-5-carboxaldehyde
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