14687
The relative structures of the two crotofolanes ( 1 and 2 ) and one rearranged compound ( 9 ) were confirmed by X - ray crystallographic analyses .
 Chemical: crotofolanes
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: crotofolanes 
Answer:
 Chemical: crotofolanes