Sulfonamide? That could treat various diseases caused by Staphylococcus and Streptococcus, such as pneumonia, erysipelas, puerperal fever, and various inflammations. However, it required Acetanilide or benzene amino acid as raw materials.
Vancomycin? This antibiotic, with its impressive-sounding yet obscure name, hailed as "Super Antibiotics"—the "final defense against infections"—was potent against golden staphylococcus, Streptococcus pyogenes, pneumococcus, and quite effective against diphtheria bacillus as well. But it was originally derived from soil deep in the jungles of Borneo, a product of the Eastern Pseudo Branchless Acid Bacterium. It might be necessary to search in the Endless Sea.
