Methlenediphosphonic acid derivatives, and antirheumatic pharmac

Details Methlenediphosphonic acid derivatives, and antirheumatic pharmac Methlenediphosphonic acid derivatives, and antirheumatic pharmac

1987-10-30

1989-10-24

Rotman, Alan L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Phosphorus containing other than solely as part of an...

514 91, 514114, 546 24, 549 5, 549 7, 544 3, 544 54, C07F 938, C07F 958, C07F 965, A61K 3144

Patent

active

048762474

ABSTRACT:
The invention relates to methylenediphosphonic acid derivatives of the formula: ##STR1## in which: R.sub.1 represents:

REFERENCES:
patent: 3846420 (1974-11-01), Wollmann et al.
patent: 3962432 (1976-06-01), Schmidt-Dunker
patent: 4006182 (1977-02-01), Ploger et al.
patent: 4100167 (1978-07-01), Selvarajan et al.

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