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US 4,996,313 AGranted
Penicillins
AssigneeNational Research Development Corporation
InventorJack E. Baldwin
Life of this patent
Estimating the term…
Abstract
A compound of formula II: ##STR1## wherein R is hydrogen or an alkyl group and R' is an alkoxy group, and salts and esters thereof.
Claims9
A compound of Formula II:
- ##STR7## wherein R is hydrogen or an alkyl group of 1 to 5 carbon atoms and R' is an alkoxy group of 1 to 5 carbon atoms, and pharmaceutically acceptable salts and esters thereof.
2S-2-methoxy-2-methyl-6-amino-3-carboxypenam.
Dependencies are inferred from the claim text.