Ketamine
From Tardis Wiki, the free Doctor Who reference
Ketamine was a drug. The meat supplier Harries & Harries injected it into the "Cash Cow". (TV: Meat)
The urban legend that Ketamine is primarily used for horses was not true. (AUDIO: Love Rat)
Owen Harper gave Marianne Till a dose of Ketamine after a pressurised air syringe full of carfentanyl wasn't enough to subdue her. (PROSE: Slow Decay)