PL288184A1
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1992-04-21
Method of obtaining novel carbamoil derivatives
ZA904311B
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1991-04-24
Method of preparing n-oxo-tetrahydro-beta-carbolines
CS290689A1
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1990-06-13
Method of cobalt-copper double cyclo-tetraphosphates high-temperature preparation
EP0416577A3
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1993-02-24
Method of preparing levoglucosenone
CS289789A1
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1990-06-13
High-temperature method of double manganese-cobalt cyclo-tetraphosphates preparation
CS290789A1
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1990-06-13
Method of cobalt-copper double cyclo-tetraphosphates preparation
CS275182B2
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1992-02-19
Method of 1-methoxy-2-propanone preparation
GR900100781A
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1992-04-17
Preparation process of selenophen derivatives
HU900888D0
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1990-05-28
Process for preparation of 1-arylsulfonyl-pyrrolidin-2-thion and 1-arylsulfonyl-piperidin-2-thion derivatives
PL292598A1
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1993-01-25
Method of obtaining derivatives of naphtothiophene
CS502888A1
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1989-04-14
High-temperature method of cadmium-calcium double cyclo-tetraphosphates preparation
CS502988A1
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1989-04-14
High-temperature method of cobalt-magnesium double cyclo-tetraphosphates preparation
CS447588A1
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1989-04-14
High-temperature method of double cadmium-magnesium cyclo-tetraphosphates preparation
CS600789A1
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1990-06-13
High-temperature method of double zinc-nickel cyclo-tetraphosphates preparation
CS279089A1
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1990-08-14
Method of 1-amino-7-naphthol preparation
CS290889A1
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1990-06-13
Double cobalt-copper cyclo-tetraphosphates and method of their preparation
CS599689A1
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1990-08-14
Method of cobalt-zinc double cyclo-tetra-phosphates' high-temperature preparation
CS289889A1
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1990-06-13
Method of double manganese-cobalt cyclo-tetraphosphates preparation
CS599789A1
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1990-08-14
Method of cobalt-zinc double cyclo-tetraphosphates preparation
CS273289A1
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1990-08-14
Method of high-temperature superconductor preparation
CS8900898A2
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1991-07-16
Preparation process of polyphenylenoxide
CS502788A1
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1989-04-14
High-temperature method of magnesium-calcium double cyclo-tetraphosphates preparation
CS586688A1
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1989-04-14
High-temperature method of double cobalt-nickel cyclo-tetraphosphates preparation
CS23489A1
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1990-09-12
Method of z-alkenes preparation
CS35489A1
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1990-09-12
Method of normethanephrine preparation