InChI=1S/C19H26O2/c1-11-9-17-16-5-3-12-10-13(20)4-6-14(12)15(16)7-8-19(17,2)18(11)21/h10,14-18,21H,1,3-9H2,2H3/t14-,15+,16+,17-,18+,19-/m0/s1