Hydroxybupropion is the active metabolite of Bupropion metabolized by CYP2B6. Bupropion is an antidepressant and smoking-cessation agent.

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.

L-Anserine Nitrate Salt is a dipeptide found in most animal tissues. In model systems it is a potent antioxidant and scavener of hydroxyl radicals.