[NH3+]n1cnnc1[S-]    mol16014    0_1
Nn1cnnc1S    mol16014    0_2
Nn1c[nH+]nc1[S-]    mol16014    0_3
[NH-]n1cnnc1S    mol16014    -1_1
Nn1cnnc1[S-]    mol16014    -1_2