Similar names: (2S,3S)-5-[2-(Dimethylamino)ethyl]-3-hydroxy-2-(4-methoxyphenyl)-2,3-dihydro-1,5-benzothiazepin-4(5H)-one; Diltiazem Hydrochloride Imp. F (EP); Desacetyldiltiazem; 1,5-Benzothiazepin-4(5H)-one, 5-[2-(dimethylamino)ethyl]-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-, (2S,3S)-; 1,5-Benzothiazepin-4(5H)-one, 5-[2-(dimethylamino)ethyl]-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-, (2S-cis)-; (2S,3S)-5-[2-(Dimethylamino)ethyl]-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one; Deacetyl-d-diltiazem; Deacetyldiltiazem; Diltiazem-desacetyl