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4Zur Synthese der 4-Dialkylamino-5,6-dihydrothiopyran-2-thione, Monatshefte f??r Chemie / Chemical Monthly Synthesis and antibacterial activity of pyrano-(thiopyrano)[3,4-c]pyridine-, 2,7-naphthyridine-, and 5,6,7,8-tetrahydro-isoquinoline-3(2h)-thione derivatives, Pharmaceutical Chemistry Journal Synthesis of fused thiopyrans and pyridines on the base of six-membered saturated cyclic ketones, Chemistry of Heterocyclic Compounds Synthesis of novel condensed pyridines and pyrido[2,3-d]pyrimidines, Chemistry of Heterocyclic Compounds