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The toxicity of Renografin 76 % was compared with that of Hypaque 76 % by selective injection of each into the right coronary artery of dogs .
 Disease: toxicity; Chemical: Renografin 76 %; Chemical: Hypaque 76 %
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:
 Disease: toxicity; Chemical: Renografin 76 %; Chemical: Hypaque 76 %