InChI=1/C20H21N5O4/c1-13-5-6-19-23-15(9-24(19)8-13)12-29-16-4-2-3-14(7-16)20(28)25(10-17(21)26)11-18(22)27/h2-9H,10-12H2,1H3,(H2,21,26)(H2,22,27)/f/h21-22H2 944A29EF87FC5190