Well, there's another question for the GM then. It may be that...

Well, there's another question for the GM then. It may be that they'd like give all that information, but cannot because Pfizer wishes it to remain confidential.

The following document (located by SS member 'useless') provides some further detail about the agreement (if you can wade through all the definitions and legalese), though it probably won't answer all your questions.
http://www.sec.gov/Archives/edgar/data/1314102/000114420407020751/v072740_ex99-1.htm

Pezz