CNC(=O)[C@H](CC(=O)OCc1ccccc1)NC(=O)OCc1ccccc1    mol37394    0_1
C[N-]C(=O)[C@H](CC(=O)OCc1ccccc1)NC(=O)OCc1ccccc1    mol37394    -1_1
CNC(=O)[C@H](CC(=O)OCc1ccccc1)[N-]C(=O)OCc1ccccc1    mol37394    -1_2