InChI=1S/C21H30O3/c1-12(22)14-6-7-15-13-4-5-17-19(24)18(23)9-11-21(17,3)16(13)8-10-20(14,15)2/h5,13-16,19,24H,4,6-11H2,1-3H3/t13?,14?,15?,16?,19?,20-,21-/m1/s1