C[n+]1ncc([S-])c2ccccc21    mol26225    0_1
[CH2-][n+]1ncc(S)c2ccccc21    mol26225    0_2
C[n+]1ncc(S)c2ccccc21    mol26225    1_1
C[n+]1[nH+]cc([S-])c2ccccc21    mol26225    1_2