5569
We studied the reaction of phenyl radicals ( C ( 6 ) H ( 5 ) ) with 1 , 3 - butadiene ( H ( 2 ) CCHCHCH ( 2 ) ) exploiting a high temperature chemical reactor under combustion - like conditions ( 300 Torr , 873 K ) .
 Chemical: phenyl; Chemical: C ( 6 ) H ( 5 ); Chemical: 1 , 3 - butadiene; Chemical: H ( 2 ) CCHCHCH ( 2 )
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: phenyl; Chemical: C ( 6 ) H ( 5 ); Chemical: 1 , 3 - butadiene; Chemical: H ( 2 ) CCHCHCH ( 2 )