InChI=1/C20H20N2O/c1-2-3-11-21-14-18-12-17-13-19(9-10-20(17)22-18)23-15-16-7-5-4-6-8-16/h4-10,12-13,21-22H,11,14-15H2,1H3/p+1/fC20H21N2O/h21H/q+1	557AB506C1E0FA2E