2-(Difluoromethyl)-3,4-dimethoxypyridine-5-carboxaldehyde
4-Amino-2-bromo-3-(difluoromethyl)pyridine-5-acetic acid
4-(Difluoromethyl)-3,6-dimethoxypyridine-2-carboxaldehyde
2-Amino-4-chloro-5-(difluoromethyl)-3-fluoropyridine
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