InChI=1/C22H23N3O4/c1-12(2)20-24-22(29-25-20)15-9-7-8-13(3)18(15)23-21(26)19-14(4)27-16-10-5-6-11-17(16)28-19/h5-12,14,19H,1-4H3,(H,23,26)/t14-,19+/m0/s1/f/h23H 515AD56446618D23