891
Ultrastructural damage and levels of 4 - hydroxy - 2 - nonenal ( 4HNE ) - protein adducts and 3 - nitrotyrosine ( 3NT ) were analyzed .
 Chemical: 4 - hydroxy - 2 - nonenal; Chemical: 4HNE; Chemical: 3 - nitrotyrosine; Chemical: 3NT
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: 4 - hydroxy - 2 - nonenal; Chemical: 4HNE; Chemical: 3 - nitrotyrosine; Chemical: 3NT