Nc1c2ccccc2nc2ccc(O)cc12 mol4983 0_1 [NH3+]c1c2ccccc2nc2ccc([O-])cc12 mol4983 0_2 Nc1c2ccccc2[nH+]c2ccc([O-])cc12 mol4983 0_3 [NH3+]c1c2ccccc2[nH+]c2ccc([O-])cc12 mol4983 1_1 Nc1c2ccccc2[nH+]c2ccc(O)cc12 mol4983 1_2 [NH3+]c1c2ccccc2nc2ccc(O)cc12 mol4983 1_3