InChI=1S/C20H32O3/c1-12-9-20-10-13(12)4-5-14(20)18(2)7-6-16(22)19(3,11-21)15(18)8-17(20)23/h13-17,21-23H,1,4-11H2,2-3H3/t13-,14+,15+,16-,17+,18+,19-,20+/m1/s1