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Oroxylin A significantly improved these behaviors , furthermore , its effect on SHR impulsivity was attenuated by haloperidol , a DA antagonist , but not by baicalein , an agonist of the GABA - A receptor .
 Chemical: Oroxylin A; Chemical: haloperidol; Chemical: baicalein; Chemical: GABA
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: Oroxylin A; Chemical: haloperidol; Chemical: baicalein; Chemical: GABA