(untitled) - Clough,S.C.; Gupton,J.T.; Driscoll,D.R.; Griffin,K.A.; Hewitt,A.M.; Hudson,M.S.; Ligali,S.A.; Mulcahy,S.P.; Roberts,M.N.; Miller,R.B.; Belachew,T.T.; Kamenova,I.D.; et al. (Tetrahedron, 2004)