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US 4,599,198 AGranted
Intermediates in polypeptide synthesis
AssigneePfizer Inc.
InventorDennis J. Hoover
Life of this patent
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Abstract
Bis(t-butoxycarbonyl) derivatives of phenylalanylhistidine as intermediates in the synthesis of rennin inhibiting polypeptides.
Claims3
A compound of the formula ##STR15## wherein R.sup.1 is selected from the group consisting of hydrogen and methyl.
Dependencies are inferred from the claim text.