InChI=1/C13H14N4O2/c18-12(15-9-5-1-2-6-9)13-16-11(17-19-13)10-7-3-4-8-14-10/h3-4,7-9H,1-2,5-6H2,(H,15,18)/f/h15H 7CCD83D2AF1A4153