1,5-Benzothiazepine-2-acetic acid, 2,3,4,5-tetrahydro-7-chloro-4-oxo-, methyl ester 86628-27-5 BRN 4512307 Methyl 2,3,4,5-tetrahydro-7-chloro-4-oxo-1,5-benzothiazepine-2-acetate