InChI=1/C21H24N4O4/c1-13-14(2)23-25(21(27)16(13)11-22)12-20(26)24-9-5-6-17(24)15-7-8-18(28-3)19(10-15)29-4/h7-8,10,17H,5-6,9,12H2,1-4H3/t17-/m1/s1 5843A46D68E7779F