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Furthermore , we investigate 591 patients with 50 different , genetically proven , mitochondrial disorders for the presence of 3 - methylglutaconic aciduria .
 Chemical: 3 - methylglutaconic
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: 3 - methylglutaconic