00426nam a2200121Ia 4500008004100000022001400041040001100055100001900066245014700085260003500232300002800267300000900295251112s9999||||xx |||||||||||||| ||und||  a0040-4020  aCNCLSA  aDr. T. Stephen 0aTetrahedronbThe International Journal for the Rapid Publication of Critical Reviews and Original Research Communications in Organic Chemistry  c1988bpergamon pressaNew York  aP. 1305-2092, 3413-3760  bV.41