19438
A new compound library that contained 20 hinged benzimidazole - coumarin hybrids and their beta - d - ribofuranosides was established .
 Chemical: benzimidazole; Chemical: coumarin; Chemical: beta - d - ribofuranosides
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: benzimidazole; Chemical: coumarin; Chemical: beta - d - ribofuranosides