Spiro[3,6-dioxabicyclo[3.1.0]hexane-2,2'(3'H)- [7a,10]epoxy[7aH]benzo[4',5']cyclohept[1',2':4,5]- indeno[2,1-b]pyran]-4,5'-diol,4',4'a,4'b,5',6',- 7',8',9',10',11',11'a,12',13',13'b,14',14'ahexadecahydro- 4',4'b,5,11,11,13b-hexamethyl-,5'-acetate,(4'R,4'a
CAS No. 66176-94-1