[NH3+]CCC(=O)NCCC(=O)Nc1c2ccccc2nc2ccccc12    mol20431    1_1
NCCC(=O)NCCC(=O)Nc1c2ccccc2[nH+]c2ccccc12    mol20431    1_2
[NH3+]CCC(=O)NCCC(=O)Nc1c2ccccc2[nH+]c2ccccc12    mol20431    2_1