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[文献書誌] Fumio Toda: "Extremely long C-C Bond in(-)-trans-1,2-Di-tert-butyl-1,2-dephenyl-and 1,1-Di-tert-butyl-2,2-diphenyl-3,8-dichlorocyclobuta[b]naphthalenes"J.Org.Chem.. 64. 3102-3105 (1999)
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[文献書誌] Fumio Toda: "The Crystal and molecular structure of 2,7-di-5,4,9,10-tetraphenylbenzo[1,2:4,5]dicyclobutadiene"Chem.Commum.. 319-320 (1999)
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[文献書誌] Fumio Toda: "Stereoselective Thermal Conversion of s-trans-Diallene into Dimeyhylenecyclobutene via s-cis-diallene in the Crystalline State"Angew,Chem.Int.Ed.. 37. 2724-2727 (1998)