Ultrajet

Ultrajet is a stronger version of the drug known as Jet.

Locations
A ghoul named Murphy will create Ultrajet for you after you bring him 15 boxes of Sugar Bombs. He says he has two of the three ingredients needed to make it. The last ingredient is Sugar Bombs. He will pay you 15 caps for each box of Sugar Bombs that you bring him, and an extra 15 caps with persuasion.

Appearances
Ultrajet appears in Fallout 3. Building on that the Ghoul and his angry merc are in the north west senenca station.