Arrange the agents from oldest to newest in relation to the date of the discovery as anti-microbials:
(A) Sulphonamides
(B) Penicillins
(C) Quinolones
(D) Cephalosporins
Choose the correct answer from the options given below:
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Remember that Fleming discovered Penicillin first in 1928, followed closely by Domagk's discovery of Prontosil (the first Sulphonamide) in 1932. This places (B) before (A) in any timeline.