Methyl 5-(difluoromethyl)-2,3-dimethoxypyridine-4-carboxylate
2-Amino-3-bromo-5-(difluoromethyl)-4-fluoropyridine
4-(Difluoromethyl)-3,5-dimethoxypyridine-2-carboxylic acid
3-Amino-4-bromo-2-(difluoromethyl)-6-iodopyridine
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