Synonyms: D-glycero-a-D-galacto-2-Nonulopyranosidonicacid,4-[[8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,4,7,8,8a,8b-octahydro-8a-methoxy-5-methyl-4,7-dioxoazirino[2',3':3,4]pyrrolo[1,2-a]indol-6-yl]amino]phenyl5-(acetylamino)-3,5-dideoxy-, methyl ester, [1aS-(1aa,8b,8aa,8ba)]-; Azirino[2',3':3,4]pyrrolo[1,2-a]indole,D-glycero-a-D-galacto-2-nonulopyranosidonicacid deriv.