Exploring Desacetyldiltiazem. To explore a different substance…

Desacetyldiltiazem
(2S,3S)-5-[2-(Dimethylamino)ethyl]-3-hydroxy-2-(4-methoxyphenyl)-2,3-dihydro-1,5-benzothiazepin-4(5H)-one
 14656  C20H24N2O3S  372.481
 InChI=1S/C20H24N2O3S/c1-21(2)12-13-22-16-6-4-5-7-17(16)26-19(18(23)20(22)24)14-8-10-15(25-3)11-9-14/h4-11,18-19,23H,12-13H2,1-3H3/t18-,19+/m1/s1
 NZHUXMZTSSZXSB-MOPGFXCFSA-N This stereoisomer Any stereoisomer
 COc1ccc(cc1)[C@@H]1Sc2ccccc2N(C(=O)[C@@H]1O)CCN(C)C