Cc1cc([O-])nc(C)[nH+]1    mol1615    0_1
Cc1cc(O)nc(C)n1    mol1615    0_2
Cc1cc(O)nc(C)[nH+]1    mol1615    1_1
Cc1cc(O)[nH+]c(C)n1    mol1615    1_2
Cc1cc([O-])nc(C)n1    mol1615    -1_1