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