^He Z, Spain J. Preparation of 2-aminomuconate from 2-aminophenol by coupled enzymatic dioxygenation and dehydrogenation reactions. Journal of Industrial Microbiology & Biotechnology. August 1999, 23 (2): 138–142. PMID 10510494. S2CID 1091252. doi:10.1038/sj.jim.2900705.