1952
Electron paramagnetic resonance ( EPR ) spectroscopy of the spin label 5 - doxyl stearic acid ( 5 - DSA ) was used to monitor the effect of sesquiterpene nerolidol and various monoterpenes on membrane fluidity in erythrocyte and fibroblast cells .
 Chemical: 5 - doxyl stearic acid; Chemical: 5 - DSA; Chemical: sesquiterpene; Chemical: nerolidol; Chemical: monoterpenes
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: 5 - doxyl stearic acid; Chemical: 5 - DSA; Chemical: sesquiterpene; Chemical: nerolidol; Chemical: monoterpenes