InChI=1S/C21H24N2O10/c1-10-7-12(26)8-13(30-4)16(10)20(28)33-17-14(9-24)32-19(18(17)31-11(2)25)23-6-5-15(27)22(3)21(23)29/h5-8,14,17-19,24,26H,9H2,1-4H3/t14-,17-,18-,19-/m1/s1