Noeteberg, Daniel; Branalt, Jonas; Kvarnstroem, Ingemar; Classon, Bjoern; Samuelsson, Bertil; Nillroth, Ulrika; Danielson, U. Helena; Karlen, Anders; Hallberg, Anders
Tetrahedron, 1997 , vol. 53, # 23 p. 7975 - 7984