InChI=1S/C22H24N2O9/c1-10-4-2-7-14(26)16(10)21(30)33-19-13(9-15(32-22(23)31)17(27)18(19)28)24-20(29)11-5-3-6-12(25)8-11/h2-8,13,15,17-19,25-28H,9H2,1H3,(H2,23,31)(H,24,29)/t13-,15+,17-,18+,19+/m0/s1