[1]Beeretal.[JournaloftheChemicalSociety,1951,p.2029,2031]
[1]Nagarathnam,D.;Srinivasan,P.C.[IndianJournalofChemistry-SectionBOrganicandMedicinalChemistry,1981,vol.<B>20,#9,p.796-797]
[1]Panisheva,E.K.;Trubitsina,T.K.;Cherkasova,A.A.[PharmaceuticalChemistryJournal,1988,vol.22,#8,p.631-633][Khimiko-FarmatsevticheskiiZhurnal,1988,vol.22,#8,p.959-962]
[1]Sadanandan;Srinivasan[Synthesis,1992,#7,p.648-650]
[1]Panisheva,E.K.;Trubitsina,T.K.;Cherkasova,A.A.[PharmaceuticalChemistryJournal,1988,vol.22,#8,p.631-633][Khimiko-FarmatsevticheskiiZhurnal,1988,vol.22,#8,p.959-962]
