Different possible thermal decomposition pathways for peroxyesters are shown below. Match each pathway from List-I with an appropriate structure from List II and select the correct answer using the code given below the lists.
A. `{:(P,Q,R,S),(1,3,4,2):}`
B. `{:(P,Q,R,S),(2,4,3,1):}`
C. `{:(P,Q,R,S),(4,1,2,3):}`
D. `{:(P,Q,R,S),(3,2,1,4):}`