4755
Comparative analysis of gene expression profiles revealed that some genes were commonly upregulated or downregulated in the renal papilla , reflecting papillary injuries induced by 2 - bromoethylamine hydrobromide , phenylbutazone , or n - phenylanthranilic acid .
 Chemical: 2 - bromoethylamine hydrobromide; Chemical: phenylbutazone; Chemical: n - phenylanthranilic acid
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: 2 - bromoethylamine hydrobromide; Chemical: phenylbutazone; Chemical: n - phenylanthranilic acid