Alfentanil

Alfentanil Sites

Alfenta Online, Description, Chemistry, Ingredients -
Full prescribing information from RxList.
http://www.rxlist.com/cgi/generic2/alfent.htm

Alfentanil - MedlinePlus
Alfentanil Hydrochloride Injection
http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a601130.html