30629
BACKGROUND : Co - administration of ibuprofen ( IBU ) and isosorbide dinitrate ( ISDN ) provides synergistic beneficial effects on dystrophic skeletal muscle .
 Chemical: ibuprofen; Chemical: IBU; Chemical: isosorbide dinitrate; Chemical: ISDN
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: ibuprofen, IBU, isosorbide dinitrate, ISDN 
Answer:
 Chemical: ibuprofen; Chemical: IBU; Chemical: isosorbide dinitrate; Chemical: ISDN