6UFF:
reference: Photoenzymatic Hydrogenation of Heteroaromatic Olefins using 'Ene'-Reductases with Photoredox Catalysts., Hyster T, Nakano Y, Black MJ, Meichan AJ, Sandoval BA, Chung M, Biegasiewicz K, Zhu T, Angew Chem Int Ed Engl. 2020 Mar 17. doi: 10.1002/anie.202003125. PMID: 32181943

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