InChI=1/C18H25N5O4/c1-4-18(13-8-6-5-7-9-13)16(26)23(17(27)20-18)21-15(25)11-22(12(2)3)10-14(19)24/h5-9,12H,4,10-11H2,1-3H3,(H2,19,24)(H,20,27)(H,21,25)/p+1/t18-/m0/s1/fC18H26N5O4/h20-22H,19H2/q+1 504ECBC32DCA17E9