InChI=1/C17H20O2/c1-2-3-15(14-6-10-17(19)11-7-14)12-13-4-8-16(18)9-5-13/h4-11,15,18-19H,2-3,12H2,1H3/t15-/m1/s1 9B078DAB9E74FE6F