Abstract The target derivative are gentamicin linked with L-Val- L-Ala by an ester linkage. These were synthesized by esterification method. which included the reaction of -OH hydroxyl group on (carbon No. 5) of gentamicin with the acid chloride of the corresponding dipeptide. https://www.ngetikin.com/quick-offer-1-Gallon-Universal-Primer-Pro-Deep-Penetrating-Primer-big-deal/