like pcn , treatment of rats with dexamethasone , spironolactone , troleandomycin or erythromycin estolate markedly induced both udp-gt-dt1 and cytochrome p-450p ( measured as erythromycin demethylase and testosterone 2 beta- , 6 beta- , 15 beta- , and 18-hydroxylase activities ) .
C0014809
erythromycin estolate
C0014806
erythromycin