Lysine based compounds

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C544S148000, C544S159000, C544S406000, C546S316000, C546S323000, C548S333500, C548S537000, C549S438000, C549S487000, C560S010000, C560S013000, C562S427000, C562S430000, C564S085000

Reexamination Certificate

active

07388008

ABSTRACT:
The present invention provides lysine based compounds of the formula;and when the compound of formula I comprises an amino group, pharmaceutically acceptable ammonium salts thereof, wherein R1may be, for example, (HO)2P(O)—, (NaO)2P(O)—, alkyl-CO— or cycloalkyl-CO—, wherein X may be, for example, F, Cl, and Br, and wherein R2and R3are as defined herein.

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