Here is a list of various Beta-Lactam antibiotics. 1. Penicillins: (i) Sir Alexander Fleming discovered in 1928. (ii) The mold belongs to Penicillium notatum. (iii) White crystalline substance, benzyl penicillin, soluble in water. (iv) Benzyl penicillin has a five membered thiazolidine ring and a four membered β-lactam ring. (v) Biosynthetic penicillins (Penicillin V) result from […]