has role
6-aminopenicillanic acid
A penicillanic acid compound having a (6R)-amino substituent. The active nucleus common to all penicillins, it may be substituted at the 6-amino position to form the semisynthetic penicillins, resulting in a variety of antibacterial and pharmacologic characteristics.
penicillanic acids
6-aminopenicillanate
penicillanic acid
allergen
6-aminopenicillanic acid zwitterion