O=C(O)c1c[n+](O)ccc1[O-]    mol9658    0_1
O=C([O-])c1c[n+](O)ccc1O    mol9658    0_2
O=C(O)c1c[n+]([O-])ccc1O    mol9658    0_3
O=C([O-])c1c[n+]([O-])ccc1O    mol9658    -1_1
O=C([O-])c1c[n+](O)ccc1[O-]    mol9658    -1_2
O=C(O)c1c[n+]([O-])ccc1[O-]    mol9658    -1_3