O=[SH](=O)c1cc(O)cc2[nH]ncc12 mol33227 0_1 O=[SH](=O)c1cc([O-])cc2[nH][nH+]cc12 mol33227 0_2 O=[SH](=O)c1cc([O-])cc2[nH]ncc12 mol33227 -1_1 O=[SH](=O)c1cc(O)cc2[n-]ncc12 mol33227 -1_2