[1]Sander,M.[MonatsheftefurChemie,1964,vol.95,p.608-616]
[2]CurrentPatentAssignee:3MCO-US2706733,1950,A
[1]Kroghetal.[JournalofOrganicChemistry,1954,vol.19,p.1124]
[1]Husted;Ahlbrecht[JournaloftheAmericanChemicalSociety,1952,vol.74,p.5422,5425]
[2]Sander,M.[MonatsheftefurChemie,1964,vol.95,p.608-616]
[3]Fields,R.;Haszeldine,R.N.[JournaloftheChemicalSociety,1964,p.1881-1889]
[4]Bowler;Lilley;Pittam;Wakeling[Steroids,1989,vol.54,#1,p.71-99]
[5]CurrentPatentAssignee:3MCO-US2706733,1950,A
[1]McKayetal.[JournaloftheAmericanChemicalSociety,1959,vol.81,p.4328,4330,4333]
[1]CurrentPatentAssignee:3MCO-US2743297,1954,A