24474
The coupling of O - pivaloyl benzhydroxamic acids with donor / acceptor diazo compounds provides isoindolones in high yield .
 Chemical: O - pivaloyl benzhydroxamic acids; Chemical: diazo; Chemical: isoindolones
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: O - pivaloyl benzhydroxamic acids; Chemical: diazo; Chemical: isoindolones