16890
Farnesyl diphosphate ( FPP ) is an important metabolic intermediate in the biosynthesis of a variety of molecules including sesquiterpenes and the side chains of a number of cofactors .
 Farnesyl diphosphate, FPP, sesquiterpenes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Farnesyl diphosphate, FPP, sesquiterpenes