[1]JournaloftheAmericanChemicalSociety,1945,vol.67,p.2155,2157
[1]JournalofMedicinalChemistry,1993,vol.36,p.1716-1725
[1]BulletindelaSocieteChimiquedeFrance,1972,p.4643-4649
[1]BulletindelaSocieteChimiquedeFrance,1972,p.4643-4649
[1]JournaloftheAmericanChemicalSociety,1945,vol.67,p.2155,2157