Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2011-08-23
2011-08-23
Seaman, D (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C549S294000
Reexamination Certificate
active
08003687
ABSTRACT:
Esters of compounds in the leptomycin family, having a structure according to formula Iwhere R, R10, R11, R12, R13, and R14are as defined herein, exhibit anti-tumor properties.
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Dong Steven D.
Santi Daniel V.
Duncan Laurelee A.
Kosan Biosciences Incorporated
Rahmani Niloofar
Seaman D
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