InChI=1S/C22H25N3O4/c1-12(2)9-18-22(14-7-6-13(29-3)10-15(14)23-21(22)28)11-17-19(26)24-8-4-5-16(24)20(27)25(17)18/h6-7,9-10,16-18H,4-5,8,11H2,1-3H3,(H,23,28)/t16-,17-,18-,22-/m0/s1