C[N+](C)(C)C[C@@H]([O-])CC(=O)O    mol33788    0_1
C[N+](C)(C)C[C@@H](O)CC(=O)[O-]    mol33788    0_2
C[N+](C)(C)C[C@@H](O)CC(=O)O    mol33788    1_1