O-Desmethyl Diltiazem HCl ;
(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-hydroxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate HCl ;
CAS # 84903-78-6 (Base) ; 142926-07-6 (HCl) ;
C21H24N2O4S (Base) ; Mol. Wt.: 400.49 ;
C21H25ClN2O4S (HCl) ; MW: 436.95 ;