CCc1ncc(C(=O)O)c(C)n1    euroSAMPL-23    0_1
CCc1ncc(C(=O)[O-])c(C)[nH+]1    euroSAMPL-23    0_2
CCc1nc(C)c(C(=O)[O-])c[nH+]1    euroSAMPL-23    0_3
CCc1ncc(C(=O)[O-])c(C)n1    euroSAMPL-23    -1_1