英文别名2,3-Dihydro-2-oxo-3,3-dichloro-1H-indole-5-sulfonic acid chloride; 3,3-Dichloro-2,3-dihydro-2-oxo-1H-indole-5-sulfonyl chloride; 1H-Indole-5-sulfonyl chloride, 3,3-dichloro-2,3-dihydro-2-oxo-; 3,3-Dichloro-2-oxo-2,3-dihydro-1h-indole-5-sulfonyl chloride