4H-1-Benzopyran-2-carboxylic acid, 5-(3-methylbutoxy)-4-oxo-8-(2-propenyl)-, sodium salt 5-(3-Methylbutoxy)-4-oxo-8-(2-propenyl)-4H-1-benzopyran-2-carboxylic acid, sodium salt 73899-70-4 Fpl 55618 Fpl-55618