InChI=1/C18H23N5O4/c1-22(2)15(24)10-23-7-5-11(6-8-23)19-18(27)20-12-3-4-13-14(9-12)17(26)21-16(13)25/h3-4,9,11H,5-8,10H2,1-2H3,(H2,19,20,27)(H,21,25,26)/p+1/fC18H24N5O4/h19-21,23H/q+1 A80D8881E4885EC8