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Preliminary data with CX546 , in which beta - cyclodextrin was the vehicle , revealed behavioral effects of the acute intraperitoneal and oral administration of vehicle alone .
 Chemical: CX546; Chemical: beta - cyclodextrin
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: CX546; Chemical: beta - cyclodextrin