InChI=1S/C19H17N3O3/c1-22-15-8-4-2-6-13(15)19(12-20,14-7-3-5-9-16(14)22)18(25)21-11-10-17(23)24/h2-9H,10-11H2,1H3,(H,21,25)(H,23,24)