InChI=1/C20H17N3O/c21-17-5-1-2-6-18(17)23-15-9-10-16-14(12-15)8-7-13-4-3-11-22-19(13)20(16)24/h1-6,9-12,23H,7-8,21H2 5E6DC40820058651