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1Poikans Janis; Bisenieks Egils; Gurevics Viktors; Mihailova Irina; Tirzits Gunars; Uldrikis Janis; Duburs Gunars. Alcaline salts of 2-(2,6-dimethyl-3,5-diethoxycarbonyl-1,4-dihydropyridine-4-carboxamido)ethane .... DE3991589, 21.02.1991.      

2Poikans Janis; Bisenieks Egils; Gurevics Viktors; Mihailova Irina; Tirzits Gunars; Uldrikis Janis; Duburs Gunars. Alcaline salts of 2-(2,6-dimethyl-3,5-diethoxycarbonyl-1,4-dihydropyridine-4-carboxamido)ethane .... GB2236105, 27.03.1991.      

3Simhovics Boriss; Trapencieris Peteris; Pshennikova Maija; Antsena Irene; Lukevics Edmunds; Bremanis Gunars; Meerson Feliks; Kalvins Ivars; Abdikaliev Nurlan. Ethyl-3-(2-ethyl-2,2-dimethylhydrazinium)-propionate salts. US5017611, 21.05.1991.      

4Kalvins Ivars; Bremanis Gunars; Meerson Feliks; Abdikaliev Nurlan; Trapencieris Peteris; Psennikova Geb; Ancena Irena; Lukevics Edmunds; Simhovics Boriss. Ethyl-3-(2,2-dimethyl-2-ethylhydrazonium)propionate-iodide with anti-arrhythmic activity. US5017611, 21.05.1991.      

5Chupakhin Oleg; Charushin Valery; Petrova Galina; Ponizovsky Mikhail; Baklykov Vasily; Duburs Gunars; Bisenieks Egils; Uldrikis Janis; Kiselev Oleg; Ilienko Vera; Platonov Vitaly; Guseva Valentina; Politekhn Ural. Bornyl and isobornyl esters of carboxylic acids of condensed tetrahydroquinoxalines. CA2046315, 05.06.1991.      

6Chupakhin Oleg; Charushin Valery; Petrova Galina; Ponizovsky Mikhail; Baklykov Vasily; Duburs Gunars; Bisenieks Egils; Uldrikis Janis; Kiselev Oleg; Ilienko Vera; Platonov Vitaly; Guseva Valentina; Politekhn Ural. Bornyl and isobornyl esters of carboxylic acids of condensed tetrahydroquinoxalines. WO9108209, 13.06.1991.      

7Simhovics Boriss; Trapencieris Peteris; Pshennikova Maija; Antsena Irene; Lukevics Edmunds; Bremanis Gunars; Meerson Feliks; Kalvins Ivars; Abdikaliev Nurlan. Ethyl-3-(2-ethyl-2,2-dimethylhydrazinium)-propionate salts. GB2203147, 03.07.1991.      

8Kalvins Ivars; Bremanis Gunars; Meerson Feliks; Abdikaliev Nurlan; Trapencieris Peteris; Psennikova Geb; Ancena Irena; Lukevics Edmunds; Simhovics Boriss. Ethyl-3-(2,2-dimethyl-2-ethylhydrazonium)propionate-iodide with anti-arrhythmic activity. GB2203147, 03.07.1991.      

9Kalvins Ivars; Savucka Vera; Serjogins Jevgenijs; Vinogradovs Aleksejs; Lukevics Edmunds; Makarova Inna; Birmans Anatolijs. Cardioprotector remedy Mildronate" ". SU1664323, 23.07.1991.      

10Poikans Janis; Bisenieks Egils; Gurevics Viktors; Mihailova Irina; Tirzits Gunars; Uldrikis Janis; Duburs Gunars. Alcaline salts of 2-(2,6-dimethyl-3,5-diethoxycarbonyl-1,4-dihydropyridine-4-carboxamido)ethane .... JPH03504014, 05.09.1991.      

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