Follwoing video gives an in-depth explanation of penicilins. 00:00 Introduction 00:10 Beta Lactams 01:03 Penicillins 03:00 Penicillin G 07:08 Seisynthetic Penicillins 07:38 Penicillin V 07:59 Penicillinase Resistant Penicillin 09:31 Extended Release Penicllins 12:09 Beta Lactamase Inhibitors