Which of these is a designer drug? ghb cocaine morphine marijuana

Designer drugs is an informal term for psychoactive drugs that were initially discovered through the research of, and experimentation upon, the structure and activity of existing psychoactive drugs. They are created in concealed locations and/or homemade labs.GHB is illegal to manufacture, purchase, possesses, or distribute without a controlled substances license, in which case doctors may prescribe it in the form of the prescription medication Xyrem.

So yah GHB hope it helps pleas let me know.

answer; 4% i believe this is correct;