InChI=1/C26H24N2O7/c27-26(31)28-21(17-5-4-8-20(13-17)35-19-6-2-1-3-7-19)15-25(30)34-16-22(29)18-9-10-23-24(14-18)33-12-11-32-23/h1-10,13-14,21H,11-12,15-16H2,(H3,27,28,31)/t21-/m0/s1/f/h28H,27H2 82099CBCB9C9D593