we tested the in vitro effects of 5 different h2-receptor antagonists cimetidine ( c ) , oxmetidine ( o ) , ranitidine ( r ) , famotidine ( f ) and nizatidine ( n ) on arylhydrocarbon-hydroxylase , 7-ethoxycoumarin-o-deethylase and 7-ethoxy-resorufin-o-deethylase activity using liver microsomes from man as well as from untreated , phenobarbital and 3-methylcholanthrene treated rats .
C0003927
arylhydrocarbon-hydroxylase
C0000644
7-ethoxycoumarin-o-deethylase