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Coumarin is a fragrant organic chemical compound in the benzopyrone chemical class, which is a colorless crystalline substance in its standard state. It is a natural substance found in many plants.
C 2536 (OTTO) Coumarin, 99%+ Cas 91--64-5 - used in phytomedicine for the treatment of venous diseases. This compound is found to have anti-tumor activities in several human cells lines.