Dalfopristin (RP54476) is a semi-synthetic analogue of ostreogyrcin A. Quinupristin/dalfopristin (Q/D) is a parental streptogramin with a spectrum of activity that includes Gram-positive pathogens, including those resistant to other classes of antimicrobial compounds.
[1] Joseph M Blondeau, Stephen E Sanche. Expert Opin Pharmacother. 2002 Sep;3(9):1341-64.
















