Acid Yellow 9 monosodium salt is an azo dye, degraded by Pseudomonas fluorescens as a sole source of nitrogen, carbon, and energy for the bacterium.

Levovirin (L-Ribavirin), the L-enantiomer of ribavirin, is a guanosine nucleoside analog with immunomodulatory activity and is used in the study of hepatitis C virus infection.

Isostearic acid (Isooctadecanoic acid) is an active ingredient in imiquimod formulations that promotes the entry of imiquimod or peripherally secreted cytokines into the brain, and can be used to induce psoriasis-like disease models.