Urea or thiourea substituted 1,4-pyrazine compounds useful...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C544S336000, C544S120000, C544S359000, C544S405000, C544S409000, C544S356000, C544S406000, C544S408000, C544S211000, C544S212000, C544S317000, C544S182000, C544S328000, C544S329000, C514S252110, C514S252130, C514S255050, C514S255060, C514S249000, C514S245000, C514S274000, C514S242000, C514S256000

Reexamination Certificate

active

07608618

ABSTRACT:
Compounds of the formulawherein: Y′ is O or S, W′ isoptionally substituted,Z′ is selected from the group consisting ofwherein Q′ is OR7and R7is C1-3alkyleneC3-8heterocycloalkyl useful in the treatment of diseases and conditions related to DNA damage or lesions in DNA replication are disclosed. Methods of making the compounds, and their use as therapeutic agents, for example, in treating cancer and other diseases characterized by defects in DNA replication, chromosome segregation, or cell division also are disclosed.

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