Cc1[nH+][nH]c([O-])c1-c1ccccc1    mol13772    0_1
Cc1n[nH]c(O)c1-c1ccccc1    mol13772    0_2
Cc1n[n-]c(O)c1-c1ccccc1    mol13772    -1_1
Cc1n[nH]c([O-])c1-c1ccccc1    mol13772    -1_2