19593
Synthesis and evaluation against hepatitis C virus of 7 - deaza analogues of 2 ' - C - methyl - 6 - O - methyl guanosine nucleoside and L - Alanine ester phosphoramidates .
 Chemical: 2 ' - C - methyl - 6 - O - methyl guanosine nucleoside; Chemical: L - Alanine ester 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: 2 ' - C - methyl - 6 - O - methyl guanosine nucleoside, L - Alanine ester phosphoramidates 
Answer:
 Chemical: 2 ' - C - methyl - 6 - O - methyl guanosine nucleoside; Chemical: L - Alanine ester phosphoramidates