188846-92-6

2(5H)-Furanone,4-[5,6-bis(benzoyloxy)dodecahydro-2,4-dihydroxy-4,6a-dimethyl-7-methylenenaphtho[1,8-bc]pyran-2-yl]-,[2R-(2a,3aa,4b,5b,6a,6aa,9aa,9bb)]-