18560
Following evaluation at clinically relevant GABA receptors , we have identified a difluoromethyl ketone that is a potent GABAB agonist , obtained its X - ray structure , and presented preliminary in vivo data in alcohol - preferring mice .
 Chemical: GABA; Chemical: difluoromethyl ketone; Chemical: alcohol
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: GABA; Chemical: difluoromethyl ketone; Chemical: alcohol