Synonyms: 7,9a-Methano-9aH-cyclopenta[b]heptalene-2,8,11,11a,12(1H)-pentol,dodecahydro-1,1,8-trimethyl-4-methylene-, 12-propionate,(2S,3aS,4R,4aR,7R,8R,9aS,11R,11aR,12R)- (8CI);7,9a-Methano-9aH-cyclopenta[b]heptalene,grayanotox-10(20)-ene-3,5,6,14,16-pentol deriv.; Asebotoxin II