16373
N - Phenyl - 2 - naphthylamine ( P2NA ) was widely used as oxidation inhibitor , particularly in rubber manufacturing .
 Chemical: N - Phenyl - 2 - naphthylamine; Chemical: P2NA
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: N - Phenyl - 2 - naphthylamine; Chemical: P2NA