2903
Selective injection of iopentol , iohexol and metrizoate into the left coronary artery of the dog .
 Chemical: iopentol; Chemical: iohexol; Chemical: metrizoate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: iopentol; Chemical: iohexol; Chemical: metrizoate