C[C@@H](CC(=O)O)ON    mol8495    0_1
C[C@@H](CC(=O)[O-])O[NH3+]    mol8495    0_2
C[C@@H](CC(=O)O)O[NH3+]    mol8495    1_1
C[C@@H](CC(=O)[O-])ON    mol8495    -1_1