Penicillanic Acid

Synonyms

4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-, (2S-cis)-

Acid, Penicillanic

A building block of penicillin, devoid of significant antibacterial activity. (From Merck Index, 11th ed)