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[1]Efremova,N.V.;Starichenko,V.F.;Shteingarts,V.D.[JournalofOrganicChemistryUSSR(EnglishTranslation),1988,vol.24,p.47-56][ZhurnalOrganicheskoiKhimii,1988,vol.24,#1,p.57-68]
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[1]Sanchez,JosephP.;Domagala,JohnM.;Hagen,SusanE.;Heifetz,CarlL.;Hutt,MarlandP.;etal.[JournalofMedicinalChemistry,1988,vol.31,p.983-991]