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NEW METHOD OF FORMATION FOR SPIRO 1-PYRAZOLINES

SPIN-SPIN INTERACTION CONSTANTS AND THE CONFORMATIONS OF 4-MEMBERED HETEROCYCLES

ORIENTATION OF THE UNSHARED ELECTRON PAIR OF THE NITROGEN ATOM IN N-SUBSTITUTED 2,5-DIMETHYLPIPERIDIN-4-ONES

SUBSTITUTED DIHYDROSILAAZAACEANTRYLENES

USE OF PROTON MAGNETIC-RESONANCE METHOD IN STUDYING Z-E-ISOMERIZATION IN AZOMETHINES OF THE 7-METHYL-4-AZAFLUORENE SERIES

9-ALPHA-NITRO(HYDROXY, AMINO)BENZYLIDENE AND 9-HYDROXY(AMINO)METHYLENE-4-AZAFLUORENS

NITRATION OF ALKYL SUBSTITUTED 4-ARYL(BENZOYL)PYRIDINES

STUDY OF STRUCTURE OF SUBSTITUTED 3H,6H-6-SYLA-3-AZAACEANTRYLENES BY PMR METHOD

PMR SPECTROSCOPY OF PIPERIDINE CYCLE CONFORMATION IN 1,2,5-TRIMETHYL-4-PHENYL(TRIORGANOSILYL)-PIPERIDIN-4-OL ISOMERS

A NEW SYNTHESIS OF PYRIDO[1,2-A]BENZIMIDAZOLEA NEW SYNTHESIS OF PYRIDO[1,2-A]BENZIMIDAZOLE

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