25484
This Letter describes the further chemical optimization of the M5 PAM MLPCN probes ML129 and ML172 .
 Chemical: ML129; Chemical: ML172
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: ML129; Chemical: ML172