Benzeneacetic acid, alpha-hydroxy-, 5,5a,12,12a-tetrahydro-7,14-dioxo-12-((phenylacetyl)oxy)-8H,15H-7a,14a-epidithio-7H,14H-oxepino(3'',4'':4',5')pyrrolo(1',2':4,5)pyrazino(1,2-a)indol-5-yl ester, (5S-(5alpha(S*),5aalpha,7abeta,12alpha,12a.alpha