IR-825 is a near-infrared dye. IR-825 nanoparticles showed pH-dependent fluorescence emission and excellent near-infrared irradiation of cancer cells targeted in vitro to provide cytotoxicity.

DiI is a lipophilic membrane dye. It diffuses laterally to stain the entire cell. DiI is excited to emit orange-red fluorescence which is weak in water but strong and photostable when incorporated into membranes.

Leritrelvir (RAY1216) is a potent orally active inhibitor of the SARS-CoV-2 main protease, exhibiting a slow-tight binding mechanism with an inhibition constant (Ki) of 8.6 nM .