Indole-3-pyruvic Acid is a compound involved in the biosynthesis of Indole-3-acetic acid a plant hormone which plays important roles in regulating growth and responses to environmental changes.

GLcNAc1-b-PNP is a chromogenic substrate for N-acetyl-β-glucosaminidase and can be used to quantify the activity of N-acetyl-β-D-glucosaminidase in human serum and urine.

Guaiacol is a precursor to various flavorants, such as eugenol and vanillin. Its derivatives are used medicinally as an expectorant, antiseptic, and local anesthetic.