C[C@H](CSC(C)(C)C(=O)O)C(=O)O mol34781 0_1 C[C@H](CSC(C)(C)C(=O)[O-])C(=O)O mol34781 -1_1 C[C@H](CSC(C)(C)C(=O)O)C(=O)[O-] mol34781 -1_2