2-(Difluoromethyl)-5-methoxy-6-methylpyridine-3-sulfonamide
6-(Difluoromethyl)-3-methoxy-4-methylpyridine-2-sulfonamide
6-(Bromomethyl)-3-(difluoromethyl)-2-methoxy-4-nitropyridine
2-(Bromomethyl)-5-(difluoromethyl)-4-methoxy-3-nitropyridine
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