View all references 99. Meyer , E. , Joussef , AC , Gallardo , H. and Bortoluzzi , AJ 2003. Structural characterization of two oxadiazolic systems used as spacers for potential angiotensin II receptor antagonists. J. Mol. Struc., 655: 361–368. [CROSSREF] [CrossRef], [Web of Science ®] View all references we became interested in synthesizing a series of C??linked spacer 6??aryl??4,5??dihydro ??3(2H)??pyridazinones of general formula 1 (Fig. 1), in which the spacer is linked to the C4 ...