CCC1(c2ccccc2)C(=O)NC(=O)NC1=O    mol599    0_1
CCC1(c2ccccc2)C(=O)[N-]C(=O)NC1=O    mol599    -1_1
CCC1(c2ccccc2)C(=O)[N-]C(=O)[N-]C1=O    mol599    -2_1