62687-22-3 Handelin Spiro(azuleno(4,5-b)furan-3(2H),10'-(4H-6a,9)ethanoazuleno(4,5-b)furan)-2,2'(3'H)-dione, 4-(acetyloxy)-3a,3'a,4,5,5',6,6',6a,7,9',9a,9'a,9b,9'b-tetradecahydro-6,6'-dihydroxy-6,6',9,9'-tetramethyl-3'-methylene-, (3'aS-(3'aalpha,6'alpha,6'aa lpha,9'alpha,9'aalpha,9'bbeta,10'S*(3aS*,4R*,6S*,6aS*,9aS*,9bS*)))- Yejuhua lactone ye ju-Hua