Physiologically active substances

Details Physiologically active substances Physiologically active substances

2006-06-23

2009-06-23

Seaman, D. Margaret (Department: 1625)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C549S266000, C549S271000

Reexamination Certificate

active

07550503

ABSTRACT:
The present invention relates to a compound represented by the formula (I):(wherein, R3, R6, R7and R21are the same as or different from one another and each represents a hydroxyl group etc.), a pharmacologically acceptable salt thereof or a hydrate of them. The compound (I) of the present invention suppresses angiogenesis, in particular, suppresses VEGF production in a hypoxic condition and is useful as a therapeutic agent for treating solid cancer.

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