PL278545A1
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1989-10-02
Method of obtaining novel derivatives of cyclobutylpurine and cyclobutylpyrimidine
YU236989A
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1991-02-28
Derivatives of 2-iminobenzothiazoline and process for obtaining thereof
PL275765A1
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1990-05-14
Preparation method for cumophenyl and/or its methyl derivatives
BG45919A1
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1989-09-15
Derivative of benzaldehine and method for its preparation
BG47724A1
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1990-09-14
Method and composition for preparing of polyesteralcohols
BG46529A1
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1990-01-15
Derivatives of benzoxalon and method for its preparation
HU900888D0
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1990-05-28
Process for preparation of 1-arylsulfonyl-pyrrolidin-2-thion and 1-arylsulfonyl-piperidin-2-thion derivatives
BG48143A1
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1990-12-14
Benzylidenic derivatives of 3- phenylrodanine and method for its preparation
BG47102A1
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1990-05-15
Derivatives of cyclohexylthiocarbamide and method for its preparing
CS841188A1
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1989-07-12
Method of trisdiethylaminosiliciumchloride preparation
BG42078A1
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1987-10-15
Derivative of 4- chlor- 2- nitrobenzene and method for its preparation
BG43923A1
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1988-09-15
Derivatives of n- substituted- 2- oxazolidones and method for their preparation
BG43254A1
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1988-05-16
Derivatives of 1- benzhydrylpiperazine and method for their preparation
CS856488A1
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1989-11-14
3-allyl-6-nitro-2-benzothiazolinone and method of its preparation
CS120788A1
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1989-06-13
2-bromomethylphenylisocyanate and method of its preparation
CS646887A1
(en )
1989-10-13
Method of n-phenylmaleinimide and its substituted derivatives preparation
BG46663A1
(en )
1990-02-15
Benzoxazolonic derivatives and method for their preparation
BG44121A1
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1988-10-14
Azomethinic derivatives of 5- nitrofurfurol and method for its preparation
CS773688A1
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1990-07-12
Method of 2-isocyanato-benzonitrile preparation
CS530888A1
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1989-10-13
Method of l-(-)-alpha-methyldopa preparation
CS347288A1
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1990-05-14
Method of 2-chlorophenylamidohydrazone preparation
CS184788A1
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1990-01-12
Method of 2-chlorophenylamidohydrazone preparation
CS112488A1
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1989-03-14
Method of alkylarylsulphides preparation
CS430188A1
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1989-04-14
Method of reduced nicotinamidadeninnucleotidephosphate preparation
BG41900A1
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1987-09-15
Derivatives of alkylthienyl- aminoalcohols and method for their preparation