Semisynthetic penicillins developed so far have overcome the following drawbacks of benzylpenicillin except:
A. Lack of efficacy against gram negative bacilli
B. Susceptibility to bacterial penicillinase
C. Inactivation by gastric acid
D. Potential to cause hypersensitivity reactions
A. Lack of efficacy against gram negative bacilli
B. Susceptibility to bacterial penicillinase
C. Inactivation by gastric acid
D. Potential to cause hypersensitivity reactions