At equivalent molar concentrations, both the salt and free forms of a compound exhibit comparable biological activity. Nevertheless, the salt form (Fosfructose trisodium) usually boasts enhanced water solubility and stability.

14:0 PEG2000 PE (DMPE-PEG2000) is a polyethylene glycol (PEG)-phospholipid conjugate that prevents vesicle aggregation during vesicle formulation and is useful in the preparation of nanostructured lipid carriers.

Phe-Met-Arg-Phe Like Peptide, Snail Helix aspersa is a FMRF-like peptide from visceral and somatic muscles of the snail Helix aspersa. FMRF (Phe-Met-Arg-Phe) is a neuropeptide peptide consisting of 4 amino acid residues.