85225
The strain in cyclic structures is usually characterized by deviations from ideal bond angles ( Baeyer strain ) , ideal torsional angles ( Pitzer strain ) or transannular ( Prelog ) interactions .
 Baeyer, Pitzer, Prelog
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Baeyer, Pitzer, Prelog