InChI=1/C18H18N4O5/c23-16-4-2-1-3-14(16)20-9-7-19(8-10-20)12-21-15-11-13(22(25)26)5-6-17(15)27-18(21)24/h1-6,11,23H,7-10,12H2/p+1/fC18H19N4O5/h19H/q+1 C80C8EC79DBCFBF7