erm

erm is a gene that encodes the protein, rRNA adenine N-6-methyltransferase which confers resistance to the macrolide antibiotic, erythromycin.
 
Erythromycin Estolate packaged and labeled.
Erythromycin Estolate, a derivative of Erythromycin, is the lauryl sulfate salt of the proprionic ester of Erythromycin.
Erythromycin Ethylsuccinate packaged and labeled.
Erythromycin Ethylsuccinate, an ethylsuccinate salt form of Erythromycin, is a broad-spectrum macrolide antibiotic.
Erythromycin packaged and labeled.
Erythromycin is a macrolide antibiotic derived from Saccharopolyspora erythraea (formerly Streptomyces erythraeus).