18719
Nucleophilic substitution reactions with different electrophiles ( E + ) , such as haloacetate and haloalkyl groups , were performed to get target compounds 6a - j .
 haloacetate, haloalkyl
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 haloacetate, haloalkyl