InChI=1/C14H16N4O6/c1-23-9-4-3-7(5-10(9)24-2)12(20)18-17-11(19)6-8-13(21)16-14(22)15-8/h3-5,8H,6H2,1-2H3,(H,17,19)(H,18,20)(H2,15,16,21,22)/t8-/m0/s1/f/h15-18H 68BE2A9550129F14