Nicotinoyl azide is a probe of light-activated chemical. It has been used to measure the solvent accessibility of purine nucleobases.

4-Nitrophenyl β-D-Galactopyranoside is a β-D-galactopyranoside derivative that is a substrate for β-galactosidase and can be used to measure β-galactosidase activity, which can be used in the study of lysosomal storage diseases, obesity, and mucopolysaccharides storage diseases.

VIR-165 is a modified form of virus inhibitory peptide (VIRIP), which corresponds to residues 353 to 372 of C-proximal region of human alpha1-antitrypsin, the most abundant circulating serine protease inhibitor. VIRIP inhibits a wide variety of human immunodeficiency virus type 1 (HIV-1) strains.