InChI=1/C11H12N6O2/c12-11(19)16-10(18)7-13-8-1-3-9(4-2-8)17-14-5-6-15-17/h1-6,13H,7H2,(H3,12,16,18,19)/f/h16H,12H2 A6F801D848D6EC04