Etimicin and its Impurities

Etimicin is a fourth-generation semisynthetic aminoglycoside antibiotic derived from gentamicin C1a. It is known for its broad-spectrum antibacterial activity, particularly against gram-negative and gram-positive bacteria, including strains resistant to other aminoglycosides. Reference standards of Etimicin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.