[1]Thorsen,M.;Andersen,T.P.;Pedersen,U.;Yde,B.;Lawesson,S.-O.;Hansen.H.F.[Tetrahedron,1985,vol.41,#23,p.5633-5636]
[1]Thorsen,M.;Andersen,T.P.;Pedersen,U.;Yde,B.;Lawesson,S.-O.;Hansen.H.F.[Tetrahedron,1985,vol.41,#23,p.5633-5636]
[1]Thorsen,M.;Andersen,T.P.;Pedersen,U.;Yde,B.;Lawesson,S.-O.;Hansen.H.F.[Tetrahedron,1985,vol.41,#23,p.5633-5636]