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Among the many prodrug approaches aimed at delivering nucleoside monophosphates into cells , the phosphoramidate ProTide approach is one that has shown success , which has made it possible for some of the phosphoramidates to enter into clinical trials .
 Chemical: nucleoside monophosphates; Chemical: phosphoramidate; Chemical: phosphoramidates
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: nucleoside monophosphates, phosphoramidate, phosphoramidates 
Answer:
 Chemical: nucleoside monophosphates; Chemical: phosphoramidate; Chemical: phosphoramidates