1,4-Benzothiazepine-2-acetic acid, 2,3,4,5-tetrahydro-7-chloro-5-oxo-, methyl ester 86628-24-2 BRN 4501131 Methyl 2,3,4,5-tetrahydro-7-chloro-5-oxo-1,4-benzothiazepine-2-acetate