InChI=1S/C21H30O3/c1-12(22)15-6-7-16-14-5-4-13-10-18(23)19(24)11-21(13,3)17(14)8-9-20(15,16)2/h4,14-17,19,24H,5-11H2,1-3H3/t14?,15?,16?,17?,19?,20-,21+/m1/s1