InChI=1S/C21H34O5/c1-7-11(2)16-19(5)15-12(3)8-18(4,24)9-13(15)21(26,20(16,6)25)14(10-22)17(19)23/h10-13,15-16,22,24-26H,7-9H2,1-6H3/b14-10+/t11-,12-,13+,15+,16-,18-,19-,20+,21+/m1/s1