InChI=1/C21H26O2/c1-3-10-21(23)12-9-19-18-6-4-14-13-15(22)5-7-16(14)17(18)8-11-20(19,21)2/h5,7,13,17-19,22-23H,4,6,8-9,11-12H2,1-2H3/t17-,18-,19+,20+,21+/m1/s1 8E65F8E5B4016D2E