Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1994-07-20
1997-07-08
Daus, Donald G.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514283, 546 41, 546 48, A61K 31470
Patent
active
056461593
ABSTRACT:
Non-toxic camptothecin prodrugs are prepared by esterifying the 20-position hydroxyl group of camptothecin derivatives.
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Wall Monroe E.
Wani Mansukh C.
Daus Donald G.
Research Triangle Institute
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