[1]JournaloftheChemicalSociety,1942,p.426,428
[2]JournaloftheAmericanChemicalSociety,1947,vol.69,p.1260,1263
[3]ChineseChemicalLetters,2010,vol.21,#1,p.35-38
[4]ACSMedicinalChemistryLetters,2013,vol.4,#5,p.491-496
[1]ChineseChemicalLetters,2010,vol.21,#1,p.35-38
[1]JournaloftheAmericanChemicalSociety,1947,vol.69,p.1260,1263
[2]JournaloftheChemicalSociety,1942,p.426,428
[3]ACSMedicinalChemistryLetters,2013,vol.4,#5,p.491-496
[1]JournaloftheAmericanChemicalSociety,1946,vol.68,p.1851
[2]JournaloftheAmericanChemicalSociety,1946,vol.68,p.1851
[1]JournaloftheAmericanChemicalSociety,1946,vol.68,p.1851