InChI=1S/C17H26O2/c1-10-13(19-11(2)18)9-12-15-14(10)17(12,5)8-6-7-16(15,3)4/h12-15H,1,6-9H2,2-5H3/t12-,13+,14+,15-,17+/m0/s1