2 two clinically attractive oral dosage regimens were administered : erythromycin stearate tablets 1 h before meals ( regimen a ) , and erythromycin base capsules 30 min after start of meals ( regimen b ) , each equivalent to erythromycin 250 mg , 6 h apart for 9 doses .
C0059566
erythromycin stearate
C0014806
erythromycin