for example , at 20 mm aminopyrine , as much as 55 % of 4-amino-antipyrine ( 4-aa ) formation arose from the family of cytochrome p-450 isozymes that were not inhibited for 4-aa formation at 4 mm aminopyrine and 4-methylaminoantipyrine ( 4-maa ) formation at either concentration .
C0002586
aminopyrine
C0002696
4