LEADER 00695nam2 22002171i 450 
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035   $a(Aleph)000229477FED01
035   $a000229477
100   $a20030801d--------km-y0itay50------ba
200 1 $aReactivity of five-membered rings withtwo or more heteroatoms. Oxford, 1984,v. 5.4A, p. 39-110.
463  0$1001000222363
701  1$aKatritzky,$bAlan R.$091293
801  0$aIT$bUNINA$gRICA$2UNIMARC
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959   $aFFABC
996   $aReactivity of five-membered rings withtwo or more heteroatoms. Oxford, 1984,v. 5.4A, p. 39-110$9386985
997   $aUNINA
DB    $aING01