InChI=1S/C17H22/c1-2-9-5-8(1)14-12-7-13(15(9)14)17-11-4-3-10(6-11)16(12)17/h1-2,8-17H,3-7H2/t8-,9+,10-,11+,12+,13-,14-,15+,16+,17-