C[C-](C(=O)O)S(=O)(=O)O mol31716 -1_1 C[C@H](C(=O)O)S(=O)(=O)[O-] mol31716 -1_2 C[C@H](C(=O)[O-])S(=O)(=O)O mol31716 -1_3 C[C@H](C(=O)[O-])S(=O)(=O)[O-] mol31716 -2_1 C[C-](C(=O)O)S(=O)(=O)[O-] mol31716 -2_2 C[C-](C(=O)[O-])S(=O)(=O)O mol31716 -2_3