InChI=1/C22H21N2O8/c1-7-8-5-4-6-9(25)11(8)16(26)12-10(7)20(32-22(12)31)13-15(24(2)3)17(27)14(21(23)30)19(29)18(13)28/h4-6,13,15,18,20,25-26,30H,23H2,1-3H3/q-1/p+1/b21-14+/t13-,15-,18+,20+/m0/s1/fC22H22N2O8/h24H/q 333C7D1BC95CF309