InChI=1/C16H16N6O5/c1-20-14-13(15(26)21(2)16(20)27)17-8-22(14)7-12(25)19-18-6-9-3-4-10(23)5-11(9)24/h3-6,8,23-24H,7H2,1-2H3,(H,19,25)/b18-6+/f/h19H B0F531CB4CF30DEC