O=C(O)c1c[nH]c(=O)[nH]c1=O    mol9347    0_1
O=C(O)c1c[n-]c(=O)[nH]c1=O    mol9347    -1_1
O=C([O-])c1c[nH]c(=O)[nH]c1=O    mol9347    -1_2
O=C(O)c1c[nH]c(=O)[n-]c1=O    mol9347    -1_3
O=C(O)c1c[n-]c(=O)[n-]c1=O    mol9347    -2_1
O=C([O-])c1c[nH]c(=O)[n-]c1=O    mol9347    -2_2
O=C([O-])c1c[n-]c(=O)[nH]c1=O    mol9347    -2_3