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Publikováno v:
American Journal of Heterocyclic Chemistry. 3:86
5-Amino-3-(4-chlorophenylamino)-1 H -pyrazole-4-carbonitrile 3 was prepared in high yield from the reaction of hydrazine hydrate with known 2-[(4-chlorophenylamino)(methylthio)methylene]malononitrile 2a (which was prepared from reaction of 2-[bis(met