COC(=O)Cc1ccc([O-])c2[nH+]cccc12 mol19470 0_1 COC(=O)Cc1ccc(O)c2ncccc12 mol19470 0_2 COC(=O)Cc1ccc(O)c2[nH+]cccc12 mol19470 1_1 COC(=O)Cc1ccc([O-])c2ncccc12 mol19470 -1_1