4M2E:
reference: Biosynthesis of streptolidine involved two unexpected intermediates produced by a dihydroxylase and a cyclase through unusual mechanisms., Chang CY, Lyu SY, Liu YC, Hsu NS, Wu CC, Tang CF, Lin KH, Ho JY, Wu CJ, Tsai MD, Li TL, Angew Chem Int Ed Engl. 2014 Feb 10;53(7):1943-8. doi: 10.1002/anie.201307989., Epub 2014 Jan 21. PMID: 24505011

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