InChI=1S/C23H36O2/c1-5-15(2)19-10-11-20-18(7-6-12-23(19,20)4)9-8-17-13-21(24)16(3)22(25)14-17/h8-9,15,19-22,24-25H,3,5-7,10-14H2,1-2,4H3/b18-9+/t15-,19+,20-,21+,22+,23+/m0/s1