Copeptin (rat) is a polypeptide that can be found by peptide screening. Peptide screening is a research tool that pools active peptides primarily by immunoassay. Peptide screening can be used for protein interaction, functional analysis, epitope screening, especially in the field of agent research and development.

D-Xylose ((2S,3R,4S,5R)-oxane-2,3,4,5-tetrol) is a monosaccharide widely found in yeast and involved in the metabolism of the organism.

(S)-Tenofovir is the less active S-enantiomer of Tenofovir which is a nucleotide reverse transcriptase inhibitor.