18563
Resolution of the individual enantiomers of the difluoromethyl ketone provided a compound with full biological activity at concentrations less than an order of magnitude greater than the pharmaceutical , baclofen .
 Chemical: difluoromethyl ketone; Chemical: baclofen
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: difluoromethyl ketone; Chemical: baclofen