19014
A set of racemic N - phenyl - substituted beta - amidoamidines hydrochlorides 4 , which are structurally related to natural antiviral agent amidinomycin ( 1 ) , was synthesized in four steps starting from methacryloyl anilide ( 5 ) .
 Chemical: racemic N - phenyl - substituted beta - amidoamidines hydrochlorides; Chemical: amidinomycin; Chemical: methacryloyl anilide
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: racemic N - phenyl - substituted beta - amidoamidines hydrochlorides; Chemical: amidinomycin; Chemical: methacryloyl anilide