InChI=1S/C17H22O2/c1-11-4-7-13-10-15(11)16(19-17(13,2)3)12-5-8-14(18)9-6-12/h4-6,8-9,13,15-16,18H,7,10H2,1-3H3/t13-,15-,16-/m0/s1