InChI=1/C21H25N3O5/c1-13-5-14(2)20(15(3)6-13)22-19(25)10-23(4)9-16-7-18(24(26)27)8-17-11-28-12-29-21(16)17/h5-8H,9-12H2,1-4H3,(H,22,25)/p+1/fC21H26N3O5/h22-23H/q+1 A4551D109DFBB38E