25298
However , 2 , 4 - di - tert - butylphenol , a degradation compound of phenolic antioxidants , was detected .
 Chemical: 2 , 4 - di - tert - butylphenol; Chemical: phenolic
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 2 , 4 - di - tert - butylphenol, phenolic 
Answer:
 Chemical: 2 , 4 - di - tert - butylphenol; Chemical: phenolic