InChI=1/C20H20N4O3/c25-12-16(26)10-24-11-18(20(22-24)13-5-7-21-8-6-13)15-1-3-17-14(9-15)2-4-19(17)23-27/h1,3,5-9,11,16,25-27H,2,4,10,12H2/b23-19+/t16-/m0/s1 BAB6816B824DFD26