Synonyms: Carbamicacid,[1,8,12-trihydroxy-13-[2-(methyltrithio)ethylidene]-11-oxobicyclo[7.3.1]trideca-4,9-diene-2,6-diyn-10-yl]-,methyl ester, [1R-(1R*,4Z,8S*,12S*,13E)]-; Bicyclo[7.3.1]tridecane, carbamicacid deriv.; Esperamicin A1 aglycone; Esperamicin aglycon; Esperamicinone