InChI=1S/C21H32O3/c1-19-8-5-15(23)13-14(19)3-4-16-17(19)6-9-20(2)18(16)7-10-21(20,24)11-12-22/h13,16-18,22,24H,3-12H2,1-2H3/t16-,17+,18+,19+,20+,21+/m1/s1