5-Amino-4-(difluoromethyl)-3-methylpyridine-2-sulfonamide
3-Amino-4-(difluoromethyl)-2-methylpyridine-5-sulfonamide
6-Amino-3-(difluoromethyl)-4-iodo-2-methoxypyridine
6-Amino-4-(difluoromethyl)-3-iodo-2-methoxypyridine
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