15870
Previously disclosed C6 amido and benzimidazole dihydropyrazolopyrimidines were potent and selective blockers of IKur current .
 Chemical: amido and benzimidazole dihydropyrazolopyrimidines
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: amido and benzimidazole dihydropyrazolopyrimidines