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Several 3-substituted pyridazines and a series of imidazo- and triazolopyridazines were synthesized and tested for anticonvulsant activity against maximal electroshock-induced seizures in mice. The most active derivatives, 3-ureidopyridazine 7 and triazolopyridazines 16, 18, 21, and 25 with oral ED50's that ranged from 6.2 to 22.0 mg/kg, were more(More)
Several 5-(4-arylpiperazin-1-yl)-4-benzyl-1,2-oxazin-6-ones have been synthesized and tested for analgesic activity in a visceral pain model (phenylbenzoquinone-induced writhing test = PBQ test). A good correlation has been found between the antinociceptive effects of drugs and both their lipophilic and steric properties. The most active derivatives 5c and(More)
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