InChI=1S/C18H18N8.2C2H4O2/c19-11-4-6-17(15(21)8-11)25-23-13-2-1-3-14(10-13)24-26-18-7-5-12(20)9-16(18)22;2*1-2(3)4/h1-10H,19-22H2;2*1H3,(H,3,4)