Guaifenesin is an expectorant used to eliminate sputum from the respiratory tract. Guaifenesin is used to help clear mucus or phlegm (pronounced flem) from the chest when you have congestion from a cold
or flu
USE in Human:
Guaifenesin an expectorant is used in Oral suspension and Tablets
Chemical Structure:
Reference:Wikipedia, National Library of medicine and Pharmacopoeial books.