Cn1nnc2[nH]c(=O)nc(N)c21 mol9366 0_1 Cn1nnc2[nH]c(=O)nc([NH3+])c21 mol9366 1_1 Cn1[nH+]nc2[nH]c(=O)nc(N)c21 mol9366 1_2 Cn1nnc2[nH]c(=O)[nH+]c(N)c21 mol9366 1_3 Cn1n[nH+]c2[nH]c(=O)nc(N)c21 mol9366 1_4 Cn1nnc2[n-]c(=O)nc(N)c21 mol9366 -1_1