26498
The biological activities of 6 - DHSG were attenuated by sulfhydryl antioxidants such as glutathione ( GSH ) or N - acetyl cysteine ( NAC ) , but not ascorbic acid ( ASC ) .
 Chemical: 6 - DHSG; Chemical: sulfhydryl; Chemical: glutathione; Chemical: GSH; Chemical: N - acetyl cysteine; Chemical: NAC; Chemical: ascorbic acid; Chemical: ASC
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: 6 - DHSG; Chemical: sulfhydryl; Chemical: glutathione; Chemical: GSH; Chemical: N - acetyl cysteine; Chemical: NAC; Chemical: ascorbic acid; Chemical: ASC