InChI=1S/C22H23NO7/c1-4-5-11-14-16(29-14)15-12(2)17(24)21(30-15)19(26)22(28-3,23-20(21)27)18(25)13-9-7-6-8-10-13/h5-11,14,16,19,26H,4H2,1-3H3,(H,23,27)/b11-5-/t14-,16+,19-,21-,22-/m1/s1