19016
To rationalize this result , a mechanism which involves initial acylation at the more active amidine - function followed by intramolecular acyl - group transfer to beta - phenylamino - group was suggested .
 Chemical: amidine; Chemical: acyl; Chemical: beta - phenylamino
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: amidine; Chemical: acyl; Chemical: beta - phenylamino