18686
Euryspongins A - C , three new unique sesquiterpenes from a marine sponge Euryspongia sp .
 Euryspongins A - C, sesquiterpenes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Euryspongins A - C, sesquiterpenes