CN(C)CCn1cnc2c1c(=O)n(C)c(=O)n2C    mol519    0_1
Cn1c(=O)c2c(ncn2CC[NH+](C)C)n(C)c1=O    mol519    1_1
CN(C)CCn1c[nH+]c2c1c(=O)n(C)c(=O)n2C    mol519    1_2