22104
Some of the title nucleosides and 7 - iodo - 7 - deazaadenine intermediates showed micromolar cytostatic or anti - HCV activity .
 Chemical: nucleosides; Chemical: 7 - iodo - 7 - deazaadenine
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: nucleosides; Chemical: 7 - iodo - 7 - deazaadenine