InChI=1/C19H20N2O2/c1-15-8-11-22-19(23-15,13-21-10-9-20-14-21)18-7-6-16-4-2-3-5-17(16)12-18/h2-7,9-10,12,14-15H,8,11,13H2,1H3/p+1/t15-,19-/m1/s1/fC19H21N2O2/h20H/q+1 0532E5344A6E0A69