CCOC(OCC)c1cc(O)ncn1 mol4151 0_1 CCOC(OCC)c1cc([O-])nc[nH+]1 mol4151 0_2 CCOC(OCC)c1cc(O)nc[nH+]1 mol4151 1_1 CCOC(OCC)c1cc(O)[nH+]cn1 mol4151 1_2 CCOC(OCC)c1cc([O-])ncn1 mol4151 -1_1