11290
One should distinguish between " primary 3 - methylglutaconic aciduria " formerly known as type I ( 3 - methylglutaconyl - CoA hydratase deficiency , AUH defect ) due to defective leucine catabolism and the - currently known - three groups of " secondary 3 - methylglutaconic aciduria " .
 3 - methylglutaconic, 3 - methylglutaconyl - CoA, leucine, 3 - methylglutaconic
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 3 - methylglutaconic, 3 - methylglutaconyl - CoA, leucine, 3 - methylglutaconic