Vitamin B 12
Karl Folkers
Karl August Folkers was an American chemist whose research on vitamins resulted in the isolation of Vitamin B12.
In 1934 Folkers joined the research laboratories of Merck and Co., Inc., Rahway, New Jersey. . During the 1930s his research team synthesized and helped establish the chemical structure of numerous B vitamins.
Merck And Co
Neurobion Forte
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