InChI=1/C18H16N4O3/c23-18(13-9-16(13)22(24)25)19-10-11-5-7-12(8-6-11)17-20-14-3-1-2-4-15(14)21-17/h1-8,13,16H,9-10H2,(H,19,23)(H,20,21)/t13-,16+/m1/s1/f/h19-20H D838A7D1ECD5A938