Comment by BloodTear on The Origin of Species - Chapter 47

First. I have questions. What is that drug that Kwon inject in youngjin? 
Second. What is YoungJin test result? Perhaps i missed due to bad translation.
Third. Correct me if i am wrong but in previous chapters bck, Seo Seunghun had abnormalities despite being a superior Alpha. His abnormalities is that he can't smell any omega pheremones?

So much confusion..