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ChemInform Abstract: Study of the Conformational Equilibria of Some 2-(2′-Hydroxyphenyl)-4-aryl-3H-1,5-benzodiazepines Using 1H, 13C, and 15N NMR Spectroscopy.R. AHMAD; M. ZIA-UL-HAQ; H. DUDDECK; L. STEFANIAK; J. SITKOWSKI · 1997