InChI=1S/C21H34O6/c1-6-13(11-23)17-20(4,15(24)7-8-22)16-12(2)9-19(3,26)10-14(16)18(25)21(17,5)27/h7-8,12-14,16-17,22-23,26-27H,6,9-11H2,1-5H3/b8-7-/t12-,13+,14+,16+,17-,19-,20-,21+/m1/s1