InChI=1/C22H25N3O4/c1-28-19-9-5-3-7-17(19)24-10-12-25(13-11-24)21(26)15-23-22(27)20-14-16-6-2-4-8-18(16)29-20/h2-9,14,21,26H,10-13,15H2,1H3,(H,23,27)/t21-/m1/s1/f/h23H 6EA40574773F1042