Gentamicin is a broad-spectrum antibiotic originated from the fermentation of Micromonospora purpurea or echinospora. It is an antibiotic complex comprising three major components, gentamicin C1, C1a, C2, and a number of minor components. These major components have a difference in the degree of methylation in the 2-amino-hexose ring. Learn more: Haptens for Gentamicins Synthesis