This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
Diacetylmorphine is commonly called as 
Select and explain. 
A. Heroin, B. Cocaine, C. Apomorphine, D. Marijuana
A: Heroin
Answer: A: Heroin 
Explanation: Ans. is 'a' i.e., Heroin * Diacetylmorphine is Heroin.