The media noted that Pfizer , through Greenstone , was marketing a generic epinephrine autoinjector when Pfizer acquired King later that year .
Also in 2010 , Shionogi authorized Greenstone , the authorized generics division of Pfizer , to begin selling an authorized generic of Adrenaclick .
The media noted that Pfizer , through generics division , was marketing a generic epinephrine autoinjector when Pfizer acquired King later that year .
Also in 2010 , Shionogi authorized Greenstone , the authorized generics division of Pfizer , to begin selling an authorized generic of Adrenaclick .