InChI=1/C16H22O2/c17-12-3-1-9(2-4-12)10-5-13-11-7-15(14(13)6-10)16(18)8-11/h11,13-16,18H,1-8H2/t11-,13-,14-,15-,16-/m1/s1 74344EE97EA190FE