Hydrates and polymorphs of...

Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system

Reexamination Certificate

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C514S251000

Reexamination Certificate

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07728134

ABSTRACT:
Disclosed are hydrates and polymorphs of 4-[[(7R)-8-cyclopentyl-7-ethyl-5,6,7,8-tetrahydro-5-methyl-6-oxo-2-pteridinyl]Amino]-3-methoxy-N-(1-methyl-4-piperidinyl)-benzamide:processes for preparing them and their use as pharmaceutical compositions with antiproliferative activity.

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