InChI=1/C18H16N6O6/c1-7(11-13(25)21-17(29)22-14(11)26)19-9-4-3-5-10(6-9)20-8(2)12-15(27)23-18(30)24-16(12)28/h3-6,19-20H,1-2H3,(H2,21,22,25,26,29)(H2,23,24,27,28,30)/f/h21-24H BFBE8DE02A2719B2