InChI=1/C20H28O2/c1-3-12-11-20(2)17(8-9-18(20)22)16-6-4-13-10-14(21)5-7-15(13)19(12)16/h10,12,16-18,22H,3-9,11H2,1-2H3/t12-,16+,17-,18-,20-/m0/s1 5AD1CB43BD84AA2E