studies were made on the effects of butylated hydroxyanisole ( bha ) , butylated hydroxytoluene ( bht ) , sodium l-ascorbate ( sa ) , ethoxyquin ( eq ) and acetaminophen ( aaf ) on the induction of neoplastic lesions in the liver , kidney or urinary bladder of rats initiated by n-ethyl-n-hydroxyethylnitrosamine ( ehen ) , diethylnitrosamine ( den ) or n-butyl-n- ( 4-hydroxybutyl ) nitrosamine ( bbn ) .
C0012200
diethylnitrosamine
C0028197
nitrosamine