Schering Aktiengesellschaft

Irmgard Boettcher

Clemens Rufer

Helmut Biere

Walter Klose

Diphosphonic acid derivatives of the formula ##STR1## wherein X is cyano, 2-cyanoethyl, or 3- aminopropyl and Y is H, or X and Y together represent dimethylaminomethylene ((CH.sub.3).sub.2 NCH.dbd.), and

Diphosphonic acid derivatives and pharmaceutical preparations containing

Imidazole derivatives of Formula I ##STR1## wherein AR.sub.1 and AR.sub.2 each independently represent phenyl optionally substituted by halogen atoms, alkyl groups, or alkoxy groups,

Antiinflammatory imidazole derivatives

An indanyl derivative of the formula ##STR1## wherein R.sub.1 and R.sub.2 are identical or different, and each is hydrogen, fluorine or chlorine

Indanyl derivatives, their preparation and use

Diphosphonic acid derivatives of Formula I ##STR1## wherein R is hydrogen, an alkali metal atom, an alkaline earth metal atom, or an alkyl group of 1-4 carbon atoms and

Compounds of the formula ##STR1## wherein n is 0, 1, or 2;

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Basel, Switzerland

Irmgard Boettcher