[1]JournalofMedicinalChemistry,1984,vol.27,p.216-223
[1]Keenan,TerenceP.;Yaeger,David;Holt,DennisA.[TetrahedronAsymmetry,1999,vol.10,#22,p.4331-4341]
[2]Ko,Po-Hung;Chen,Tai-Yuen;Zhu,Jin;Cheng,Kin-Fai;Peng,Shie-Ming;Che,Chi-Ming[JournaloftheChemicalSociety,DaltonTransactions,1995,#13,p.2215-2220]