17217
Deuterium labelled Vit D and 25OH - Vit D internal standards were added as surrogates prior to saponification , correcting for extraction inefficiencies and potential MS matrix enhancement or suppression effects .
 Chemical: Deuterium; Chemical: Vit D; Chemical: 25OH - Vit D
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: Deuterium, Vit D, 25OH - Vit D 
Answer:
 Chemical: Deuterium; Chemical: Vit D; Chemical: 25OH - Vit D