29210
Hydrazide / hydrazone derivatives are of quite interest for medicinal chemists because of their vast spectrum of biological activity .
 Chemical: Hydrazide; Chemical: hydrazone
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: Hydrazide, hydrazone 
Answer:
 Chemical: Hydrazide; Chemical: hydrazone