Cc1nc2c(=O)n(C)c(=N)nc-2n(C)c1C mol8231 0_1 Cc1nc2c(=O)n(C)c(=[NH2+])nc-2n(C)c1C mol8231 1_1 Cc1[nH+]c2c(=O)n(C)c(=N)nc-2n(C)c1C mol8231 1_2 Cc1nc2c(=O)n(C)c(=N)[nH+]c-2n(C)c1C mol8231 1_3