PROCESS FOR THE PREPARATION OF N,N-BUTYLBIGUANIDE P-TOLUENESULPHONATE von LAZARESCU MARCELA NICULINA, COSOFRET VASILE, VLAD MADALINA, IONESCU MARIANA, IULIAN MARIA, IONESCU MARIANA SIMINA, STOICA CONSTANTIN

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PROCESS FOR PREPARING PYRAZINE MONOCARBOXYLIC ACID von COSOFRET VASILE, PAU RODICA, LAZARESCU MARCELA-NICULINA, CORNILESCU EUGEN, IONESCU MARIANA SIMINA

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PROCESS FOR ISOLATING PYRAZINE-2,3-DICARBOXYLIC ACID von LAZARESCU MARCELA NICULINA, PAU RODICA, IONESCU MARIANA, ROGOZEA IOAN, CORNILESCU EUGEN, IONESCU MARIANA SIMINA

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PROCESS FOR PREPARING 1-CHLORADAMANTAN von LAZARESCU MARCELA NICULINA, IONESCU MARIANA, STOICA CONSTANTINA, CORNILESCU EUGEN, POPESCU ANA MARIA JULIETA

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1-AMINOADAMANTANE SALTS AND PROCESS FOR PREPARING THE SAME von LAZARESCU MARCELA NICULINA, ZANA MARIANA, BORS ALEXANDRU, CARSTEA ALEXANDRU, ESANU VLADIMIR, PRAHOVEANU ELENA

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DERIVE DE 2-AMINO-4-CHLORE-5-SULFAMYLTOLUENE ET PROCEDE DE PREPARATION von LAZARESCU,NICULINA-MARCELA,RO, RADULESCU,OCTAVIAN,RO, ILIE,CORINA,RO, CILIANU-IACOBESCU,STELIANA,RO, IOAN,CORNELIA,RO, BANULESCU,VIRGINIA,RO

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PROCEDE POUR OBTENIR 2-AMINO-4-CHLORE-5-CHLORSULFONYLTOLUENE von LAZARESCU-NICULINA,MARCELA,RO, MIHALCA,GABRIELA,RO, IACOBESCU,CILIAN S.,RO, RADULESCU,OCTAVIAN,RO, ILIE,CORINA,RO, BANULESCU,VIRGINIA,RO

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