InChI=1/C14H14N4O/c15-14-16-12-11(13(19)17-14)7-4-8-18(12)9-10-5-2-1-3-6-10/h1-8,14H,9,15H2,(H,17,19)/t14-/m0/s1/f/h17H C647C39085E0562E