Cc1nc[nH]c2nc(=O)c(=O)[nH]c1-2 mol10112 0_1 Cc1nc[nH]c2nc(=O)c(=O)[n-]c1-2 mol10112 -1_1 Cc1nc[n-]c2nc(=O)c(=O)[nH]c1-2 mol10112 -1_2 Cc1nc[n-]c2nc(=O)c(=O)[n-]c1-2 mol10112 -2_1