19476
Three thiol oxidants were used as model compounds to investigate their effects on homogeneous preparations of hSULT2A1 : glutathione disulfide , 5 , 5 ' - dithiobis ( 2 - nitrobenzoic acid ) , and 1 , 1 ' - azobis ( N , N - dimethylformamide ) ( diamide ) .
 Chemical: thiol; Chemical: glutathione disulfide; Chemical: 5 , 5 ' - dithiobis ( 2 - nitrobenzoic acid ); Chemical: 1 , 1 ' - azobis ( N , N - dimethylformamide; Chemical: diamide
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: thiol; Chemical: glutathione disulfide; Chemical: 5 , 5 ' - dithiobis ( 2 - nitrobenzoic acid ); Chemical: 1 , 1 ' - azobis ( N , N - dimethylformamide; Chemical: diamide