The molecule is 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 R configuration. It is a cGMP-activated K+ channel blocker. It has a role as a potassium channel blocker. It is a conjugate base of an ent-diltiazem(1+). It is an enantiomer of a diltiazem.
[(2R,3R)-5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3-dihydro-1,5-benzothiazepin-3-yl] acetate