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1989-05-25
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1989-02-28
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1989-04-14
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1988-01-15
Derivatives of naphthalene and method for their preparation
GB2204313B
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1990-10-31
Novel bisbenzotrifluoride derivatives and method of preparing same
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1987-09-15
Derivatives of alkylthienyl- aminoalcohols and method for their preparation
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1987-11-14
Malonoylic derivatives of 3- methyl- 1- phenylpyrazolon- 5 and method for their preparation
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1988-10-14
Azomethinic derivatives of 5- nitrofurfurol and method for its preparation
BG42753A1
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1988-02-15
Derivatives of hydrazides and method for their preparation
BG43254A1
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1988-05-16
Derivatives of 1- benzhydrylpiperazine and method for their preparation
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1988-09-15
Derivatives of n- substituted- 2- oxazolidones and method for their preparation
CS706288A1
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1990-01-12
Dithioderivatives of carbamoyl-4-hydroxybutanesulphonic acid and method of its preparation
CS25886A1
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1990-11-14
2-substituted-5-arylfurans and method of their preparation
BG42078A1
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1987-10-15
Derivative of 4- chlor- 2- nitrobenzene and method for its preparation
CS646887A1
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1989-10-13
Method of n-phenylmaleinimide and its substituted derivatives preparation
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1987-02-16
Derivatives of 3- cynamoyl- 2h- 1- benzopyran- 2- on and method for their preparing
BG43442A1
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1988-06-15
Spin marked derivatives of 1- alkyl- 1- nitroso- carbamide and method for their preparation
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1987-09-15
Derivatives of 5- substituted- 2- oxazolidones and method for their preparations
CS945586A1
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1989-05-12
Aqua-l-asparagane-magnesium complex and method of its preparation
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1988-04-15
Derivatives of bis (naphtholsulpho-) terephtaloylimides and method for their preparation
BG40060A1
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1986-10-15
Derivatives of substituted 8- acetyloxyquinolines and method for their preparing
GR860047B
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1986-04-25
Novel pyridoindol derivatives method for their preparation and their application
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1988-08-15
Polymer derivatives of cysteinsulphonamide and method for its preparation
IL79359A0
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1986-10-31
Novel derivatives of trihalopivalic acids,method for their preparation and their use
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1988-04-15
Derivatives of 1, 3- dihydro- 2h- imidazol- 2- ons and method for their preparation