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[1]Yamana;Tsuji;Mizukami[ChemicalandPharmaceuticalBulletin,1973,vol.21,#4,p.721-728]
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[1]CurrentPatentAssignee:INTERNATIONALCHEMICALSINVESTORSSE;Weylchem(in:Internat.ChemicalsInvestors)-US2001/12900,2001,A1