Synonyms: 24-Norchola-5,20(22)-dieno[6,5,4-bc]furan-21,23-dioicacid,3-(acetyloxy)-14,15-epoxy-4,5,5',6-tetrahydro-7,11,12-trihydroxy-4,8-dimethyl-1-[(2-methyl-1-oxo-2-butenyl)oxy]-16-oxo-,cyclic anhydride, [1a(E),3a,4b,5a,6b,7a,11a,12a,13a,14b,15b,17a]-;2H-Oxireno[2',3']cyclopenta[1',2':7,8]phenanthro[10,1-bc]furan,24-norchola-5,20(22)-dieno[6,5,4-bc]furan-21,23-dioic acid deriv.; Limbocidin