Sulfonyl semicarbazides, carbonyl semicarbazides,...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Nitrogen containing other than solely as a nitrogen in an...

Reexamination Certificate

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C564S123000, C564S161000, C564S183000, C514S613000

Reexamination Certificate

active

07994221

ABSTRACT:
Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain novel sulfonyl semicarbazides, carbonyl semicarbazides, semicarbazides, ureas and related compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by hemorrhagic fever viruses is disclosed, i.e., including but not limited to, Arenaviridae (Junin, Machupo, Guanarito, Sabia, Lassa, Tacaribe, Pinchinde, and VSV), Filoviridae (ebola and Marburg viruses), Flaviviridae (yellow fever, omsk hemorrhagic fever and Kyasanur Forest disease viruses), and Bunyaviridae (Rift Valley fever).

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