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8Condensation of 3-Hydroxyimino-2-butanone Hydrazone with 2,4-Pentanedione, Isatin, Ethyl 2-Cyano-3-Ethoxyacrylate, and ??-Ketoacid Esters and Anilides, Russian Journal of Organic Chemistry Fused pyrazolopyrimidines II. Thieno[3u2033,2u2033:5u2032,6u2032]pyrido[4u2032,3u2032:3,4]pyrazolo[1,5-a]pyrimidines, Monatshefte f??r Chemie / Chemical Monthly Possible Rearrangements During the Synthesesof Di- and Trisubstituted Pyrazoles, Monatshefte f??r Chemie / Chemical Monthly The pseudo-Michael reaction of 1-aryl-4,5-dihydro-1H-imidazol-2-amines with ethyl ethoxymethylenecyanoacetate, Monatshefte f??r Chemie - Chemical Monthly Synthesis and serotonin antagonist and antianexity activities of pyrrolidine derivatives from 4-hydrazinyl-1-p-substituted phenyl-2,5-dihydro-1H-pyrrole-3-carbonitriles, Monatshefte f??r Chemie - Chemical Monthly Synthesis of some new nitrogen bridge-head pyrido[1,2,4]triazepines, Chemistry of Heterocyclic Compounds Condensed Pyridopyrimidines. 6. Synthesis of Novel Pyrano[3',4':6,7]pyrido[2,3-d]pyrimidines, Chemistry of Heterocyclic Compounds