4-Amino-6-bromo-3-(difluoromethyl)pyridine-2-carboxaldehyde
2-Amino-5-(difluoromethyl)-6-fluoro-3-methoxypyridine
4-Amino-2-bromo-3-(difluoromethyl)pyridine-5-carboxaldehyde
2-Amino-5-(difluoromethyl)-4-fluoro-3-methoxypyridine
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