InChI=1/C23H22N2O/c1-17-9-8-10-19(15-17)16-25-22-14-7-6-13-21(22)24-23(25)18(2)26-20-11-4-3-5-12-20/h3-15,18H,16H2,1-2H3/t18-/m0/s1 58E3043F810DD4C9