7189
We show that DCPG does inhibit excitatory transmission in this pathway , but produces a biphasic concentration - response curve suggesting activation of two distinct receptor types .
 Chemical: DCPG
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: DCPG