Process for the preparation of purified crystalline CCI-779

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

Reexamination Certificate

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C540S456000

Reexamination Certificate

active

07553843

ABSTRACT:
The present invention provides purified crystalline CCI-779 and processes for preparing the same.

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