00333nam a2200121Ia 4500008004100000022001400041040001100055100001900066245006400085260003500149300001700184300001000201251112s9999||||xx |||||||||||||| ||und||  a0040-4020  aCNCLSA  aDr. T. Stephen 0aTetrahedronbThe International Journal of Organic Chemistry  c1974bpergamon pressaNew York  aP. 2969-3810  bV. 30