O=Cc1ccc([O-])c2[nH+]cccc12    mol19472    0_1
O=Cc1ccc(O)c2ncccc12    mol19472    0_2
O=Cc1ccc(O)c2[nH+]cccc12    mol19472    1_1
O=Cc1ccc([O-])c2ncccc12    mol19472    -1_1