10530
The structures were elucidated on the basis of 1D and 2D ( 1 ) H and ( 13 ) C NMR techniques , and in vitro immunomodulatory activity was evaluated by standard proliferation of human peripheral blood lymphocytes .
 Chemical: ( 1 ) H; Chemical: ( 13 ) C
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: ( 1 ) H; Chemical: ( 13 ) C