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040 _aCNCLSA
100 _aDr. T. Stephen
_92165
245 0 _aTetrahedron Letters
_bThe International Journal For the Rapid Publication of Preliminary Communications in Organic Chemistry
260 _cApril, 2000
_bpergamon press
_aNew York
300 _bV. 73
942 _cJRBV
999 _c32977
_d32977