7732
Two new cis - stilbenoids , sciryagarol I ( 1 ) and II ( 2 ) were isolated from the EtOAc extract of the tubers of Scirpus yagara , together with four known compounds .
 cis - stilbenoids, sciryagarol I ( 1 ) and II, EtOAc
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 cis - stilbenoids, sciryagarol I ( 1 ) and II, EtOAc