4801
We recently showed that the hydrophobic anion dipicrylamine ( DPA ) negatively regulates GABA ( A ) receptor function by a mechanism indistinguishable from that of sulfated neurosteroids .
 Chemical: dipicrylamine; Chemical: DPA; Chemical: GABA; Chemical: sulfated neurosteroids
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: dipicrylamine; Chemical: DPA; Chemical: GABA; Chemical: sulfated neurosteroids