NC(=S)NC(N)=S    mol8957    0_1
NC(=S)[N-]C(N)=S    mol8957    -1_1
[NH-]C(=S)NC(N)=S    mol8957    -1_2
[NH-]C(=S)[N-]C(N)=S    mol8957    -2_1
[NH-]C(=S)NC([NH-])=S    mol8957    -2_2