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We investigate the biochemical , clinical and genetic data of 388 patients referred to our centre under suspicion of a metabolic disorder showing 3 - methylglutaconic aciduria in routine metabolic screening .
 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