Bring Lydon's Toxin to Apothecary Zamah in Thunder Bluff.
Here is the toxin. If you use it against the Venture Company it should produce favorable, perhaps even contagious, results. I must say, it is quite exciting to see my work applied in the field!
But before using it, take it to Apothecary Zamah. She must create a delivery method for the toxin to maximize its effect.