Synonyms: Benzeneaceticacid, a-hydroxy-,5,5a,12,12a-tetrahydro-7,14-dioxo-12-[(phenylacetyl)oxy]-8H,15H-7a,14a-epitetrathio-7H,14H-oxepino[3'',4'':4',5']pyrrolo[1',2':4,5]pyrazino[1,2-a]indol-5-ylester, [5S-[5a(S*),5aa,7ab,12a,12aa,14ab]]-;8H,15H-7a,14a-Epitetrathio-7H,14H-oxepino[3'',4'':4',5']pyrrolo[1',2':4,5]pyrazino[1,2-a]indole,benzeneacetic acid deriv.; (-)-Emethallicin B; Emethallicin B