InChI=1/C20H17N3O2/c24-20-17-3-1-2-4-18(17)22-19(23-20)15-5-7-16(8-6-15)25-13-14-9-11-21-12-10-14/h1-12,19,22H,13H2,(H,23,24)/t19-/m1/s1/f/h23H 5D84741BCB00F41A