4-Amino-3-(difluoromethyl)-2,5-diiodopyridine
2-(Difluoromethyl)-3,5-dimethoxypyridine-6-sulfonyl chloride
2-Amino-3-(difluoromethyl)-4,6-diiodopyridine
5-Amino-3-(difluoromethyl)-2,4-diiodopyridine
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