Efficient Nucleophilic Difluoromethylation of Aldehydes with (Phenylsulfonyl)difluoromethylzinc and (Phenylsulfonyl)difluoromethylcadmium Reagents  Jiang, Fanzhou; Ni, Chuanfa; Hu, Jinbo* Journal of Fluorine Chemistry, 2016, Early View, DOI: 10.1016/j.jfluchem.2016.12.005. (Invited contribution for a special issue on Bremen Fluorine Days)