I think he wants to purchase 4AP... ????? Medline wont be much help for this... Try some of the On-Line catalogs... Sigma, RBI, Calbiochem all leap to mind as possibles... Good luck! Dredd Brian Bjørn wrote: > Do a Medline search ! There are plenty of articles on aminopyridines. > Otherwise you will have to tell more precisely what aspects of 4AP > you're interested in.