InChI=1/C21H21N3O/c22-11-21(12-23)17(16-1-3-24-4-2-16)18(21)19(25)20-8-13-5-14(9-20)7-15(6-13)10-20/h1-4,13-15,17-18H,5-10H2/t13?,14?,15?,17-,18-,20?/m0/s1 7D5F237194EC53B2