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1Kalvins Ivars; Bremanis Gunars; Antsena Irene; Lukevics Edmunds; Veveris Maris; Erenshtein Marina; Mikazans Valdis; Kauss Valerjans; Liepins Edvards; Trapencieris Peteris. 3-(2,2,2-trisubstituted hydrazinium) propionates. FR2547579, 27.02.1987.      

2Kalvins Ivars; Erenshtein Marina; Bremanis Gunars; Mikazhan Valdis; Veveris Maris; Lukevits Edmunds; Pule Edit; Birmans Anatolijs. Anti-hypertensive compositions containing pyrazole derivatives. GB2142533, 04.03.1987.      

3Veveris Maris; Lukevics Edmunds; Kalvins Ivars; Erenshtein Marina; Bremanis Gunars; Mikazans Valdis; Pule Edit; Birmans Anatolijs. Pharmaceutical preparation for the treatment of hypertensive disease and myocardial infarction. GB2142533, 04.03.1987.      

4Bremanis Gunars; Antsena Irene; Kalvins Ivars; Lukevics Edmunds; Veveris Maris; Kauss Valerjans; Trapencieris Peteris. Substituted 3-hydrazinopropionates. FR2549050, 20.03.1987.      

5Makarova Natalya; Bisenieks Egils; Uldrikis Janis; Duburs Gunars; Veveris Maris; Kimenis Agris. Alkoxy-and phenoxy alkyl esters of 2,6-dimethyl-4-(2-difluoromethoxyphenyl)-1,4-dihydropyridine-3,5-. DE3534385, 02.04.1987.      

6Bremanis Gunars; Antsena Irene; Kalvins Ivars; Lukevics Edmunds; Veveris Maris; Kauss Valerjans; Trapencieris Peteris. Substituted 3-hydrazinopropionates. GB2144121, 08.04.1987.      

7Kalvins Ivars; Bremanis Gunars; Antsena Irene; Lukevics Edmunds; Veveris Maris; Erenshtein Marina; Mikazans Valdis; Kauss Valerjans; Liepins Edvards; Trapencieris Peteris. 3-(2,2,2-trisubstituted hydrazinium) propionates. JPS6215544, 08.04.1987.      

8Bisenieks Egils; Duburs Gunars; Uldrikis Janis; Veveris Maris; Kimenis Agris; Ivanov Evgenij. 2-(2,6-Dimethyl-3,5-diethoxycarbonyl-1,4-dihydropyridine-4-carboxamide glutaric acid.... DE3337521, 30.04.1987.      

9Bremanis Gunars; Antsena Irene; Kalvins Ivars; Lukevics Edmunds; Veveris Maris; Kauss Valerjans; Trapencieris Peteris. Substituted 3-hydrazinopropionates. IT1175577, 01.07.1987.      

10Kalvins Ivars; Bremanis Gunars; Antsena Irene; Lukevics Edmunds; Veveris Maris; Erenshtein Marina; Mikazans Valdis; Kauss Valerjans; Liepins Edvards; Trapencieris Peteris. 3-(2,2,2-trisubstituted hydrazinium) propionates. CA1224490, 21.07.1987.      

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