InChI=1S/C22H26N2O9/c25-10-17-18(27)19(28)20(29)22(33-17)32-16-8-12-3-6-24(14(12)9-15(16)26)5-2-11-1-4-23-13(7-11)21(30)31/h1-2,4-5,8-9,13,17-20,22,25,27-29H,3,6-7,10H2,(H2,26,30,31)/p+1/t13-,17+,18+,19-,20+,22?/m0/s1