the effect of a 20-day administration of aminopyrine ( 600 mg kg-1 ) as well as two metabolites of aminopyrine , 4-aminoantipyrine ( 525 mg kg-1 ) and 4-acetamidoantipyrine ( 635 mg kg-1 ) , on several hepatic , kidney and serum enzyme activities were investigated .
C0002586
aminopyrine
C0002696
4-aminoantipyrine