N[C@@H](CC(=O)O)C(F)(F)F mol31725 0_1 [NH3+][C@@H](CC(=O)[O-])C(F)(F)F mol31725 0_2 N[C@@H](CC(O)=[OH+])C(F)(F)F mol31725 1_1 [NH3+][C@@H](CC(=O)O)C(F)(F)F mol31725 1_2