4803
In rat hippocampal neurons DPA inhibited currents gated by 300 micro M NMDA with an IC ( 50 ) of 2 . 3 micro M .
 Chemical: DPA; Chemical: NMDA
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: DPA; Chemical: NMDA