13735
Based on simplification of the physiological substrates , two cinnamic acid - derived compounds , differing in the saturation of the side chain , were developed .
 Chemical: cinnamic acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: cinnamic acid