InChI=1/C18H19N7O2/c1-3-14-22-23-15-9-8-13(24-25(14)15)19-10-11-4-6-12(7-5-11)18(2)16(26)20-17(27)21-18/h4-9H,3,10H2,1-2H3,(H,19,24)(H2,20,21,26,27)/t18-/m1/s1/f/h19-21H 55A8E161BAC1F381