[CH2-][n+]1cnc2ccccc2c1S    mol26224    0_1
C[n+]1cnc2ccccc2c1[S-]    mol26224    0_2
C[n+]1c[nH+]c2ccccc2c1[S-]    mol26224    1_1
C[n+]1cnc2ccccc2c1S    mol26224    1_2