InChI=1S/C21H26O3/c1-4-21(23)10-8-18-16-12-19(24-3)17-11-13(22)5-6-14(17)15(16)7-9-20(18,21)2/h1,5-6,11,15-16,18-19,22-23H,7-10,12H2,2-3H3/t15-,16-,18+,19?,20+,21+/m1/s1