InChI=1/C19H18N6O4/c1-10-11(16(20)26)8-5-9-14(10)21-19(29)23-22-17(27)15-12-6-3-4-7-13(12)18(28)25(2)24-15/h3-9H,1-2H3,(H2,20,26)(H,22,27)(H2,21,23,29)/f/h21-23H,20H2 6C4CEF9D2B7FBB60