This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Which of the following is an example of a polychlorinated hydrocarbons? 
Select and explain. 
A. Parathion, B. Malathion, C. Diazinion, D. Endrin
D: Endrin
Answer: D: Endrin 
Explanation: Endrin is a chlorinated hydrocarbon belonging to the subgroup of indane derivatives. Parathion, malathion and diazenon are organophosphates. Ref: The Essentials of Forensic Medicine and Toxicology By Dr K S Narayan Reddy, 27th Edition, Page 457