At the climax of the episode, when a couple of chemical formulas are displayed on the computer screen and Peepo says they have "Something to do with a citrate...", this is correct. The two formulas, "Na3C6H5O7·2H2O" and "2Na3C6H5O7·11H2O", two crystalline forms of trisodium citrate, sometimes used as an anticoagulant.