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We found that fluorocarbon chains and branched hydrocarbon chains are preferable to the corresponding linear hydrocarbon chains for the formation of an L alpha phase .
 Chemical: fluorocarbon; Chemical: hydrocarbon; Chemical: hydrocarbon
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: fluorocarbon; Chemical: hydrocarbon; Chemical: hydrocarbon