Synonyms: 1,5-Benzothiazepin-4(5H)-one,5-[2-(dimethylamino)ethyl]-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-,monohydrochloride, (2S-cis)-;1,5-Benzothiazepin-4(5H)-one,5-[2-(dimethylamino)ethyl]-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-,monohydrochloride, (2S,3S)- (9CI);Deacetyldiltiazem hydrochloride;(2S-cis)-5-(2-(Dimethylamino)ethyl)-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one monohydrochloride;