Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Reexamination Certificate
2006-11-27
2010-12-14
Havlin, Robert (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C548S354100, C514S254050, C514S385000
Reexamination Certificate
active
07851626
ABSTRACT:
There is provided a compound of formula Iand the pharmaceutically acceptable salts and esters thereofwherein X1, X2, R1, R2, R3, R4, R5and R6are herein described.The compounds exhibit activity as anticancer agents.
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Ding Qingjie
Graves Bradford James
Kong Norman
Liu Jin-Jun
Lovey Allen John
Havlin Robert
Hoffmann-La Roche Inc.
Johnston George W.
Rocha-Tramaloni Patricia S.
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