[1]HuaxueXuebao/ActaChimicaSinica,1957,vol.23,p.145,150 ScientiaSinica(EnglishEdition),1957,vol.6,p.853 Chem.Abstr.,1958,p.14626
[1]Sirakawa[YakugakuZasshi/JournalofthePharmaceuticalSocietyofJapan,1959,vol.79,p.1487,1491][Chem.Abstr.,1960,p.11039]
[1]HuaxueXuebao/ActaChimicaSinica,1957,vol.23,p.145,150 ScientiaSinica(EnglishEdition),1957,vol.6,p.853 Chem.Abstr.,1958,p.14626
[1]Sirakawa[YakugakuZasshi/JournalofthePharmaceuticalSocietyofJapan,1959,vol.79,p.1487,1491][Chem.Abstr.,1960,p.11039]