119731-75-8 2-Thiophenesulfonamide, 5-((3-((dimethylamino)methyl)-4-hydroxyphenyl)sulfonyl)-, monohydrochloride 5-(3-Dimethylaminomethyl-4-hydroxyphenylsulfonyl)thiophene-2-sulfonamide L 662583 L-662,583 L-662583