[NH3+]CC(=O)N1CCC[C@@H]1C(=O)NCC(=O)[O-] mol38501 0_1 NCC(=O)N1CCC[C@@H]1C(=O)NCC(=O)O mol38501 0_2 NCC(=O)N1CCC[C@@H]1C(=O)NCC(O)=[OH+] mol38501 1_1 NCC(=O)N1CCC[C@@H]1C(=[OH+])NCC(=O)O mol38501 1_2 NCC(=[OH+])N1CCC[C@@H]1C(=O)NCC(=O)O mol38501 1_3 [NH3+]CC(=O)N1CCC[C@@H]1C(=O)NCC(=O)O mol38501 1_4