InChI=1S/C23H34O3/c1-15(10-12-24)20-8-9-21-17(5-4-11-23(20,21)3)6-7-18-13-19(25)14-22(26)16(18)2/h6-7,12,15,19-22,25-26H,2,4-5,8-11,13-14H2,1,3H3/b17-6+,18-7+/t15-,19+,20-,21+,22+,23-/m0/s1