InChI=1S/C20H28O5/c1-11-12-7-13(22)15-19(6-4-5-18(2,3)14(19)9-21)10-25-17(24)20(15,8-12)16(11)23/h9,11-15,22H,4-8,10H2,1-3H3/t11-,12-,13-,14-,15+,19+,20+/m1/s1