InChI=1/C20H18N2O2/c1-2-6-16-13(4-1)7-8-17-18(16)19-15(11-23-17)12-24-20(22-19)14-5-3-9-21-10-14/h1-10,15,19-20,22H,11-12H2/t15-,19-,20-/m1/s1	23B6933098D20164