CS9100656A2
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1991-11-12
Method of 1,1,1-trifluorochlorethane and 1,1,1,2-tetrafluorethane preparation
HU8902302D0
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1990-05-28
Process for preparation of 1,2-hydroxy-phosphonates and derivatives thereof
GB2234255B
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1992-09-30
Methylpolysilanes and method for their preparation
CS475788A1
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1989-09-12
Biologically efficient derivatives of 3,4-dihydro-2h-benzopyran and method of their preparation
CS415188A1
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1989-04-14
3-substituted 4-imino-1,2,3,4-tetrahydroquinazoline-2-thiones and method of their preparation
CS719788A1
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1990-09-12
Substituted 1,1,3-trichloro-3-phenylpropanes and method of their preparation
CS811588A1
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1990-03-14
2,2,6,6-tetramethyl-4-piperidyliden-acetone and method of its preparation
CS475988A1
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1989-09-12
(3,7-dialkoxy-3,7-dialkyl-2-bromoctyl)-(4-chlorophenylether) as biologically efficient substance and method of its preparation
RO103936B1
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1992-05-08
Aminoacetyl-oxohexyl derivative of 1,3-dimethyl-xanthin and preparation method
CS476088A1
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1989-09-12
2,2-dimethyl-6-/1-/2 methyl-2-acetoxy/propionyl/alkyl-2h-benzopyran as biologically efficient substance and method of its preparation
CS275585B2
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1992-02-19
Substituted 1,1,1,3-tetrachloro-3-fenylpropanes and method of their preparation
BG43081A1
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1988-04-15
Derivatives of 1, 3- dihydro- 2h- imidazol- 2- ons and method for their preparation
BG43082A1
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1988-04-15
Derivatives of 1, 3- dihydro- 2h- imidazol- 2- ons and method for their preparation
CS811688A1
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1990-03-14
(2,2,6,6-tetramethyl-4-piperidyl)-2-propanon and method of its preparation
IL92781A0
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1990-09-17
Preparation of 5-acylamino-1,2,4-triazole-3-sulfonamides and intermediates
CS355788A1
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1989-09-12
New pharmacollogically active derivatives of 1,4-dihydropyridines and method of their preparation
CS18089A1
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1989-09-12
Method of new 2,3 -dichlorobenzhydrylamines and their salts preparation
CS46788A1
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1989-03-14
Juvenogenes and method of their preparation
CS660588A1
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1989-06-13
2-arylimino-3-triphenylphosphonium indolates and method of their preparation
CS811788A1
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1990-03-14
(2,2,6,6-tetramethyl-4-piperidyliden)-2-propanol and method of its preparation
CS908588A1
(en )
1989-09-12
Method of bis-/2,4-dimercapto-6-triazinyl/-disulphide preparation
CS811488A1
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1990-03-14
1-/2,2,6,6-tetramethyl-4-piperidyl/-2-propanol and method of its preparation
BG45778A1
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1989-08-15
Azoderivatives of 1, 4- bis- (4'- amino- 3'- sulphophenyl)- benzenediamide and method for their preparing
BG42257A1
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1987-11-14
Unsaturated derivatives of 1, 3, 5- triazine and method for their preparation
BG45918A1
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1989-09-15
Esteramids of 2- phenyl- 1h- inden- 1, 3 (2h)- dioni and method for their preparation