Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1990-08-16
1991-11-12
Lee, Mary C.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
544335, A61K 31505, C07D23902
Patent
active
050648322
ABSTRACT:
Compounds of formula I ##STR1## wherein X.sub.1, X.sub.2, X.sub.3, X.sub.4, X.sub.5, X.sub.6, Y, Z and R.sub.1 -R.sub.4 are as defined in the description, have valuable pharmaceutical properties and are especially active against tumors. They are prepared in a manner known per se.
REFERENCES:
patent: 4493726 (1985-01-01), Burdeska et al.
Capraro Hans-Georg
Caravatti Giorgio
Frei Jorg
Stanek Jaroslav
Ciba-Geigy Corporation
Fishman Irving M.
Lee Mary C.
McKane Joseph K.
Villamizar JoAnn
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