CC(=O)Nc1nc(NC(C)=O)c2c(n1)N(C(C)=O)CCN2C(C)=O    mol8110    0_1
CC(=O)Nc1nc(NC(C)=O)c2c([nH+]1)N(C(C)=O)CCN2C(C)=O    mol8110    1_1
CC(=O)Nc1nc2c(c(NC(C)=O)[nH+]1)N(C(C)=O)CCN2C(C)=O    mol8110    1_2