Benzophenone derivatives useful for inhibiting formation of...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C514S438000, C514S461000, C514S423000, C514S427000, C514S383000, C514S399000, C514S400000, C514S365000, C514S374000, C514S340000, C514S357000, C514S686000, C549S506000, C549S077000, C548S531000, C548S204000, C548S235000, C548S265800, C548S340100, C548S375100, C546S337000, C546S269700, C544S335000

Reexamination Certificate

active

08053439

ABSTRACT:
Disclosed herein are novel benzophenone derivatives represented by formula I, a pharmaceutically acceptable salt thereof, a hydrate thereof or a solvate thereof, a pharmacological composition containing the same, and a use of the composition as therapeutic drugs. The benzophenone derivatives have an inhibition activity of microtubule formation and can be used to treat a normal proliferative state of a malignant tumor by killing the actively proliferating cells.

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