[1]JournaloftheChemicalSociety,1957,p.1830,1832
[2]BulletindesSocietesChimiquesBelges,1959,vol.68,p.30,55
[3]ChemicalandPharmaceuticalBulletin,1958,vol.6,p.476,478
[1]YakugakuZasshi,1951,vol.71,p.933
[2]Chem.Abstr.,1952,p.4548
[1]YakugakuZasshi/JournalofthePharmaceuticalSocietyofJapan,1951,vol.71,p.933 Chem.Abstr.,1952,p.4548
[1]JournaloftheChemicalSociety,1957,p.1830,1832