C[N+](C)(C)CC[NH+](CC(=O)[O-])CC(=O)[O-] mol11164 0_1 C[N+](C)(C)CCN(CC(=O)[O-])CC(=O)O mol11164 0_2 C[N+](C)(C)CCN(CC(=O)O)CC(=O)O mol11164 1_1 C[N+](C)(C)CC[NH+](CC(=O)[O-])CC(=O)O mol11164 1_2 C[N+](C)(C)CCN(CC(=O)[O-])CC(=O)[O-] mol11164 -1_1