CS9100656A2
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1991-11-12
Method of 1,1,1-trifluorochlorethane and 1,1,1,2-tetrafluorethane preparation
GR890100860A
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1991-03-15
Composition based on trimebutyne and preparation process
GB2234255B
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1992-09-30
Methylpolysilanes and method for their preparation
HU8902302D0
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1990-05-28
Process for preparation of 1,2-hydroxy-phosphonates and derivatives thereof
DE3661830D1
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1989-02-23
2,4-dichlorothiazole derivatives and process for 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
EP0344112A3
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1990-04-11
Substituted bisacyloxynaphthacenes, and process for the preparation of tetrathiotetracenes
CS719788A1
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1990-09-12
Substituted 1,1,3-trichloro-3-phenylpropanes and method of their preparation
PL276723A1
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1990-06-25
Method for preparation of the new, n-phenylcarbamyle derivatives of difurylethane and difurylvinylchloride
CS811588A1
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1990-03-14
2,2,6,6-tetramethyl-4-piperidyliden-acetone and method of its preparation
PL276098A1
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1990-06-11
Method of obtaining 2,3-dibromide-2-butene-1,4-diole
CS475788A1
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1989-09-12
Biologically efficient derivatives of 3,4-dihydro-2h-benzopyran and method of their preparation
CS275585B2
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1992-02-19
Substituted 1,1,1,3-tetrachloro-3-fenylpropanes and method of their preparation
RO103936B1
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1992-05-08
Aminoacetyl-oxohexyl derivative of 1,3-dimethyl-xanthin and preparation method
CS811688A1
(en )
1990-03-14
(2,2,6,6-tetramethyl-4-piperidyl)-2-propanon and method of its preparation
BG43082A1
(en )
1988-04-15
Derivatives of 1, 3- dihydro- 2h- imidazol- 2- ons and method for their preparation
BG43081A1
(en )
1988-04-15
Derivatives of 1, 3- dihydro- 2h- imidazol- 2- ons and method for 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
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1989-09-12
Method of bis-/2,4-dimercapto-6-triazinyl/-disulphide preparation
BG40743A1
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1987-02-16
Azoderivatives of 1, 3- dioxybenzene, method for their preparation and use thereof
CS992387A1
(en )
1989-05-12
2,5,6,8,11,12-hexasubstituted 4,1/-di-(n,(-disubstituted n-thioureido)-1,3,7,9-tetraoxacyclododecanes and method of their preparation
BG45918A1
(en )
1989-09-15
Esteramids of 2- phenyl- 1h- inden- 1, 3 (2h)- dioni and method for their preparation
ZA888846B
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1989-09-27
Iminophenylthiazolidines,process of preparation and method of use
CS763288A1
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1989-08-14
Method of 4,5-dihydroimidazole derivative and its maleate preparation
CS204188A1
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1989-05-12
3-(2-r-vinyl)-2-benzothiazolinones and method of their preparation