InChI=1S/C20H30O3/c1-6-18(4)12-20(23)10-7-13-17(2,3)15(21)8-9-19(13,5)14(20)11-16(18)22/h6,13-14,23H,1,7-12H2,2-5H3/t13-,14+,18+,19-,20+/m0/s1