InChI=1/C20H26O2/c1-3-5-10-20-11-9-18(22)17(6-4-2)19(20)16-8-7-15(21)12-14(16)13-20/h7-8,12,21H,3-6,9-11,13H2,1-2H3/t20-/m0/s1 7FE5954B42403ED7