Cc1nc2c(=O)ncnc-2n(C)c1C    mol4793    0_1
Cc1nc2c(=O)nc[nH+]c-2n(C)c1C    mol4793    1_1
Cc1nc2c(=O)[nH+]cnc-2n(C)c1C    mol4793    1_2
Cc1[nH+]c2c(=O)ncnc-2n(C)c1C    mol4793    1_3