... 7; YM Goo, YB Lee; J. Chem. Soc., Chem. Commun. (1986), p. 1247. ... b WL Matier, DA Owens, WT Comer, D. Deitchman, HC Ferguson, RJ Seidehamel, JR Young; J. Med. Chem., 16 (1973), p. 901. 10; SS Simons Jr., DF Johnson; J. Org. Chem., 43 (1978), p. 2886. Full Text via CrossRef. 11; Satisfactory analytical data were obtained. ...