4-Haloalkylamino substituted chromanol useful as antihypertensiv

4-Hydroxy-2-pyrone derivatives having antihyperlipaemic activity

4-Hydroxy-3-nitro (cyano) coumarins

4-Hydroxycoumarin compounds useful as anticoagulant rodenticides

4-Oxo-4H-benzopyrans as animal growth promotants

4-Oxo-PGI.sub.2 compounds, their use in inhibition of thrombii a

4-Spectinomycylamine and salts thereof

5'-Aminoalkyl-4',4-dialkylpsoralens

5'-Aminoalkyl-4'-alkylpsoralens

5,6,7-Trinor-4,8-inter-m-phenylene prostaglandin I.sub.2 derivat

5,6-Methylenedioxy-2-nitro-3-phenylbenzofurans

5-(2-Hydroxy-3-thiopropoxy) chromone-2-carboxylic acids chemical

5-Acetyl furfurylester of chrysanthemumic acid

5-Ethoxymethyl furfuryl ester of chrysanthemumic acid and its us

5-Furoyl-2,2,4-trimethyl-1,4-dihydro-1H-1,5-benzodiazepine as an

5-Phenylvinylfurfurylester of chrysanthemumic acid

5-Substituted 2,3-dihydrobenzofuran-2-carboxylic acids and their

5-Sulfamoyl-orthanilic acids and process for their preparation

6',2-(2'-Arylchromonyl) propionic acids, and analgesic and anti-

6,7,8,9-Tetrahydro-4H-naphtho-[2,3-b]pyran-2-carboxylic acids