13646
Whereas several candidate NADPH oxidase 4 inhibitors were recently described , most of these compounds are either unspecific or toxic .
 Chemical: NADPH
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: NADPH 
Answer:
 Chemical: NADPH