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2',2''-(2,2'-OXYBIS(ETHANE-2,1-DIYL)BIS(OXY))BIS(2-(BENZHYDRYLOXY)-1,1'-BINAPHTHYL) 2',2''-(2,2'-OXYBIS(ETHANE-2,1-DIYL)BIS(OXY))BIS(2-(BENZHYDRYLOXY)-1,1'-BINAPHTHYL)