for the following products
(2S,3S)-3-Hydroxy-2-(4-methoxyphenyl)-2,3,4,5-tetrahydro-1,5-benzothiazepin-4-one | (2S-cis)-(+)-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one | cis-(+)-Hydroxy lactum | Des[3-acetyl-5-(2-dimethylamino)ethyl] diltiazem and cis-Hydroxy lactam
