the hepatotoxicity of a new erythromycin derivative , erythromycin acistrate ( ea , 2'-acetyl erythromycin stearate ) , was compared with that of erythromycin stearate ( es ) , erythromycin estolate ( ee ) and erythromycin-11,12 cyclic carbonate ( ec ) in 4-5-day , 28-day and 6-month oral toxicity studies in rats and dogs .
C0059566
erythromycin
C0014806
erythromycin