InChI=1/C23H22N2O/c1-5-7-18-22-16(21-15(13-24)8-6-9-19(21)26-18)10-11-17-20(22)14(2)12-23(3,4)25-17/h5-6,8-12,18,25H,1,7H2,2-4H3/t18-/m1/s1 E6C44D9731C9BE44