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Institut Organicheskogo Sinteza Akademii Nauk Latviiskoi Ssr

Gunar A Bremanis

Ivars Y Kalvinsh

Edmund Y Lukevits

Maris M Veveris

Irene B Antsena

Marina L Erenshtein

Valeryans Y Kauss

Petr T Trapentsier

Valdis D Mikazhan

Edvards E Liepinsh

Anatoly S Birman

Boris Z Simkhovich

Edvard E Liepinsh

Felix Z Meerson

Ma/Ya G Pshennikova

Nurlan Abdikaliev

Peter T Trapentsier

Edit A Pule

The present invention relates to the art of organic chemistry. The novel compounds - ethyl-3-(2-ethyl-2,2-dimethylhydrazinium)-propionate salts have the general formula: ##STR1## wherein X is Cl, Br, I. The compounds of the present invention possess an antiarrhythmic effect.

Ethyl-3-(2-ethyl-2,2-dimethylhydrazinium)-propionate salts to treat

Novel compounds, viz. 3-(2,2,2-trisubstituted hydrazinium) propionates have the following general formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are an alkyl, a substituted alkyl, a substituted or unsubstituted aryl, an aralkyl or an unsaturated alkyl;

3-(2,2,2-trisubstituted hydrazinium) propionates

Substituted 3-hydrazinopropionates comprising compounds of the general fola: ##STR1## wherein R.sup.1, R.sup.2 =H, an alkyl, a substituted alkyl, hydroxycarbonyl, alkoxycarbonyl, an aryl, an aralkyl, an unsaturated alkyl, a substituted aryl or a substituted aralkyl: ##STR2## wherein R.sup.7, R.sup.8 =H, an alkyl, an unsaturated alkyl, an aralkyl, an aryl, a substituted alkyl,

Substituted 3-hydrazinopropionates

A novel pharmaceutical preparation for the treatment of hypertensive disease and myocardial infarction, which comprises as an active ingredient, (1,1-dimethyl-3-oxopyrazolidin-1-io-4-yl)acetate of the following formula: ##STR1## and a pharmaceutically acceptable vehicle.

Pharmaceutical preparation for the treatment of hypertensive disease and

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Gunar A Bremanis