InChI=1/C20H28O2/c1-3-20-11-8-14(21)12-13(20)4-5-15-16-6-7-18(22)19(16,2)10-9-17(15)20/h3,12,15-18,22H,1,4-11H2,2H3/t15-,16-,17-,18-,19-,20-/m0/s1 ECB8E6D0F4FF7D59