Proguanil is used to treat malaria, and metformin is a diabetes medication.
It's interesting how they both have almost the same nitrogen chain. I'm wondering if making one more like the other could lead to a new medicine. Can proguanil be used to treat diabetes? Can metformin be used to treat malaria?
It seems easier and safer to try to make new medicines from existing ones rather than starting from scratch. Once penicillin was isolated, the race was on to find new antibiotics from mold.
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