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  _  __    ______    _  _    __   __   _    _   
 | |/ //  /_   _//  | \| ||  \ \\/ // | \  / || 
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Text this: Synthesis of phosphorus(V)-stabilized geminal dianions : the cases of mixed P═X/P→BH3 (X = S, O) and P═S/SiMe3 derivatives