InChI=1S/C21H32O2/c1-5-19(2)12-9-17-16(13-19)7-8-18-20(3,14-23-15-22)10-6-11-21(17,18)4/h5,13,15,17-18H,1,6-12,14H2,2-4H3/t17-,18-,19-,20-,21+/m0/s1