InChI=1S/C21H22N4O8/c1-8-4-6-23-18-12(8)24-19(9-3-2-5-22-17(9)25(18)10-7-11(10)26)33-21-15(29)13(27)14(28)16(32-21)20(30)31/h2-6,10-11,13-16,21,26-29H,7H2,1H3,(H,30,31)/t10?,11?,13-,14-,15+,16-,21?/m0/s1