Penicillin-G is antibiotic which is effective against many bacterial infection caused by streptococi it still widely used today though many type of bacteria have developed resistance following extensive use

What is double bond equivalencd of Penicillin structure

Penicillin-G is antibiotic which is effective against many bacterial infection caused by streptococi it still widely used today though many type of bacteria have developed resistance following extensive use How many number of different functional groups present in structure

Name the following A type of antibiotics which are useful against a wide variety of bacteria.