the effect of food on the bioavailability of two new formulations of erythromycin , 1 ) erythromycin stearate , 500 mg ( erythrocin , 250 mg capsule-shaped tablets ) and 2 ) erythromycin base , 500 mg ( eryc , 250 mg capsules containing enteric-coated pellets ) was studied in 16 healthy subjects .
C0059566
erythromycin stearate
C0014806
erythromycin base