PL249980A1 - Method of obtaining alpha-/10-oxy-4-h-benzo(3,5)-cyclohepta/1,2-b/triphen-4-ylideno/-carboxylic acids and their derivatives
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Method of obtaining alpha-/10-oxy-4-h-benzo(3,5)-cyclohepta/1,2-b/triphen-4-ylideno/-carboxylic acids and their derivatives
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Publication of PL146831B1publicationCriticalpatent/PL146831B1/en
Method of obtaining novel ester derivatives of 1,1-dioxides of n-heteroarylo-4-hydroxy-2-methyl-2h-1,1,2-benzothiazino-carbon-amides-3 and n-heteroarylo-4-hydtoxy-2-methyl-2h-thiene/2,3-e/-thiazino-carbonamides-3