FIELD: pharmaceutical industry. SUBSTANCE: described is compound of formula I: 
, wherein R1-R3 are as defined in claim 1, which is capable of inhibiting 5 alpha reductase. Also described are method of preparing said compound and method of medical treatment using compound of formula I. EFFECT: improved properties of the title compounds. 24 cl, 58 ex
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| 17BETA-N-(2,5-BIS-(TRIFLUOROMETHYL)-PHENYLCARBAMOYL-4-AZA-5ALFA- -ANDROST-1-ENE-3-ONE, METHODS OF ITS SYNTHESIS, PHARMACEUTICAL COMPOSITION, METHOD OF TREATMENT |
1994 |
- Behchelor Kennet Uil'Jam
- Fraj Stiven Vernon
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| METHOD OF PREPARING 7β--SUBSTITUTED 4-AZA -5α- ANDROSTAN- 3-ONES AND METHOD OF PREPARING SUBSTITUTED 7β- ALKYL ANDROST-5-EN-3-ONES |
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- Raman K.Bakshi
- Gari Kh.Rasmusson
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| METHOD OF TREATMENT OF PATIENTS WITH PROSTATE BENIGNITY HYPERPLASIA, PHARMACEUTICAL PREPARATION CONTAINING INHIBITOR OF 5-ALPHA-REDUCTASE |
1992 |
- Glenn Dzh.Gomlej
- Ehlizabet Stoner
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RU2125879C1 |
| INHIBITORS OF TESTOSTERONE 5α-REDUCTASE, PHARMACEUTICAL COMPOSITION, METHOD OF INHIBITION OF TESTOSTERONE 5α-REDUCTASE ACTIVITY |
1993 |
- Fernand Labri
- Iv Meran
- Shankar M.Singkh
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2003 |
- Mejssner Robert S.
- Perkins Dzhejms Dzh.
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RU2320670C2 |
| 16-SUBSTITUTED 4-AZAANDROSTANES, COMPOUNDS, METHODS OF INHIBITION, PHARMACEUTICAL COMPOSITION |
1994 |
- Filippe L.D'Jurette
- Uil'Jam K.Khagmann
- Tomas Dzh.Lantsa
- Soumia P.Sakhoo
- Gari Kh.Rasmusson
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RU2142956C1 |
| FLUORINATED DERIVATIVES OF 17β-SUBSTITUTED-4-AZA--5α-ANDROSTANE- -3-ONE, PHARMACEUTICAL COMPOSITION |
1993 |
- Akille Pantseri
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RU2125061C1 |
| HALOGEN- AND PSEUDOHALOGEN-SUBSTITUTED 17-METHYLENE-4-AZASTEROIDS, THEIR USING, METHODS FOR THEIR PREPARING, PHARMACEUTICAL COMPOSITION |
2002 |
- Mentsenbakh Bernd
- Dresher Peter
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- Ehl'Ger Val'Ter
- Shvajkert Khans-Udo
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RU2293740C2 |
| ANTIANDROGENIC COMPOUNDS, PRECURSOR OF ANTIANDROGENIC COMPOUND, PHARMACEUTICAL COMPOSITIONS |
1993 |
- Fernand Labri
- Iv Merand
- Shankar M.Singkh
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RU2141966C1 |
| METHODS OF SYNTHESIS OF AZASTEROID DERIVATIVES, DERIVATIVE OF AZASTEROID-IMIDAZOLIDE, METHOD OF ITS SYNTHESIS |
1998 |
- Pantseri Akille
- D'Anello Matteo
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