Cn1nnc2[nH]c(=S)[nH]c(=O)c21 mol9491 0_1 Cn1nnc2[n-]c(=S)[nH]c(=O)c21 mol9491 -1_1 Cn1nnc2[nH]c(=S)[n-]c(=O)c21 mol9491 -1_2