has role is deprotonated form of is enantiomer of diltiazem CHEBI:101278 A 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate in which both stereocentres have <i>S</i> configuration. A calcium-channel blocker and vasodilator, it is used as the hydrochloride in the management of angina pectoris and hypertension. antiatherosclerotic agent antiviral agent hypoglycemic agent antineoplastic agent vasodilator agent antihypertensive agent anti-arrhythmia drug calcium channel blocker anticoagulant laxative diltiazem(1+) ent-diltiazem 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate