Substituted heterocycles as anti-tumor agents

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

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514280, 514284, 546 41, 546 48, 546 61, C07D22118, A61K 3133

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active

059815418

ABSTRACT:
The present invention provides compounds of formula (I): ##STR1## wherein R.sub.1 -R.sub.7, W, X, Y, and Z have any of the values defined in the specification, and pharmaceutically acceptable salt thereof, that are are useful as anticancer agents. Also disclosed are pharmaceutical compositions comprising one or more compounds of formula I, processes for preparing compounds of formula I, and intermediates useful for preparing compounds of formula I.

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