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Ding, L., Shen, L., Chen, X.-B., & Fang, W.-H. (2009). Solvent Effects on Photoreactivity of Valerophenone: A Combined QM and MM Study. The Journal of Organic Chemistry, 74(23), 8956–8962. doi:10.1021/jo902080z 
10.1021/jo902080z