InChI=1S/C20H23N5O4/c1-10(2)15(19(28)29)23-17(26)12-6-3-11(4-7-12)5-8-13-9-22-16-14(13)18(27)25-20(21)24-16/h3-4,6-7,9-10,15H,5,8H2,1-2H3,(H,23,26)(H,28,29)(H4,21,22,24,25,27)/t15-/m0/s1