1468
In contrast , the previously described mGlu 5 PAMs CDPPB and ADX47273 showed relatively poor evidence of in vivo target engagement in either receptor occupancy assays or EEG disturbance .
 Chemical: CDPPB; Chemical: ADX47273
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: CDPPB; Chemical: ADX47273