20082
A highly efficient procedure for obtaining resin - grade isoidide through catalytic epimerization of isosorbide using a ruthenium - on - carbon ( Ru / C ) catalyst is reported .
 Chemical: isoidide; Chemical: isosorbide; Chemical: ruthenium; Chemical: carbon; Chemical: Ru; Chemical: C
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: isoidide; Chemical: isosorbide; Chemical: ruthenium; Chemical: carbon; Chemical: Ru; Chemical: C