lactam aromatic ether acetate ester benzothiazepine tertiary amino compound 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate CHEBI:82814 A lactam that is 2,3-dihydro-1,5-benzothiazepin-4(5<em>H</em>)-one in which positions 2 and 3 are substituted by 4-methoxyphenyl and acetoxy, respectively, while the hydrogen attached to the nitrogen is substituted by a 2-(dimethylamino)ethyl group.