15871
Syntheses and SAR for C6 triazolo and imidazo dihydropyrazolopyrimidines series are described .
 Chemical: triazolo and imidazo 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: triazolo and imidazo dihydropyrazolopyrimidines