[1]Ohno;Komatsu;Mizukoshi;Ichihara;Nakamura;Morishima;Sumita[ChemicalandPharmaceuticalBulletin,1986,vol.34,#4,p.1589-1606]
[1]Ragno;Vetuschi[Pharmazie,1998,vol.53,#9,p.628-631]
[1]Ohno;Komatsu;Mizukoshi;Ichihara;Nakamura;Morishima;Sumita[ChemicalandPharmaceuticalBulletin,1986,vol.34,#4,p.1589-1606]
[1]CurrentPatentAssignee:BRISTOL-MYERSSQUIBBCO-US3985758,1976,A