Abstract: Halogenohydroxyflavones ##STR1## in which R is alkyl having 1-3 C atoms,X is F, Cl, Br or I, andm, n and p are each 1, 2 or 3,and their esters with sulfuric acid and phosphoric acid, and the salts of these compounds, are suitable for the treatment of hyperthyroidism.

Abstract: Halogenohydroxyflavones ##STR1## in which R is alkyl having 1-3 C atoms,X is F, Cl, Br or I, andm, n and p are each 1, 2 or 3,and their esters with sulfuric acid and phosphoric acid, and the salts of these compounds, are suitable for the treatment of hyperthyroidism.

Abstract: Sulfur-containing 6-ketoprostaglandins of the formula I ##STR1## in which D is a bond, alkylene having 1-3 C atoms, cis-alkenylene having 2-5 C atoms or alkinylene having 2-5 C atoms,R.sup.1 is H, alkyl having 1-4 C atoms, aryl having 6-12 C atoms or --C.sub.6 H.sub.4 NHCOC.sub.6 H.sub.5,R.sup.2 is alkyl having 1-7 C atoms, alkyl having 1-7 C atoms which is substituted by halogen, cycloalkyl having 5-6 C atoms, cycloalkyl having 5-6 C atoms which is substituted by alkyl having 1-4 C atoms, phenyl, phenyl which is substituted by F, Cl, Br, alkyl having 1-4 C atoms, OH, OCH.sub.3 or CF.sub.3, pyridyl, naphthyl, thienyl or, if D is alkylene having 1-3 C atoms, also is alkoxy having 1-4 C atoms, alkylthio having 1-4 C atoms, phenoxy or phenoxy which is substituted by F, Cl, Br, alkyl having 1-4 C atoms, OH, OCH.sub.3 or CF.sub.3,R.sup.3 and R.sup.

Abstract: Imidazo(4,5-c)pyridines of the formula ##STR1## wherein X is O, S or NH;Y is --NR.sup.2 --CH.dbd.N-- or --N.dbd.CH--NR.sup.2 --;R.sup.1 is 1-benzothienylmethyl, naphthylmethyl, or benzyl which is mono- or di-substituted by F, Cl, NO.sub.2, CF.sub.3 or a combination thereof, and;R.sup.2 is alkyl of 1-4 C atoms or cyclopropylmethyl,or a physiologically acceptable acid addition salt thereof,have valuable pharmacological activity, e.g., as GABA agonists.

Abstract: Adenosine derivatives of formula I ##STR1## wherein X is F, Cl or Br and n is 1 or 2, and their physiologically acceptable acid addition salts, are valuable psychopharmacological agents.

Abstract: Adenosine derivatives of formula I ##STR1## wherein R is H, F, Cl, Br or CF.sub.3, and their physiologically acceptable acid addition salts, are valuable anticonvulsants.

Abstract: Tetralone and indanone compounds of the formula ##STR1## wherein R.sup.1 is H, OH, alkoxy of 1-4 carbon atoms, cycloalkoxy of 3-6 carbon atoms, F, Cl, Br, NO.sub.2, monoalkylamino or dialkylamino, wherein each alkyl is of 1-4 carbon atoms, alkanoyloxy of 1-6 carbon atoms or alkanoylamino of 1-4 carbon atoms; R.sup.2 is OH or alkoxy of 1-4 carbon atoms or R.sup.1 and R.sup.2 collectively are methylenedioxy; R.sup.3 is H or CH.sub.3 ; Ar is phenyl or phenyl substituted by up to 5 of alkyl of 1-4 carbon atoms, alkoxy of 1-4 carbon atoms, F, Cl, Br or CF.sub.3 ; n is 1 or 2, and physiologically acceptable acid addition salts thereof, are central nervous system depressants.