27690
Nitrooxybutyl - esters were rapidly and quantitatively metabolized to their respective parent compounds and the organic nitrate moiety nitrooxybutyl - alcohol ( NOBA ) .
 Chemical: Nitrooxybutyl - esters; Chemical: nitrate; Chemical: nitrooxybutyl - alcohol; Chemical: NOBA
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: Nitrooxybutyl - esters; Chemical: nitrate; Chemical: nitrooxybutyl - alcohol; Chemical: NOBA