2H-1-Benzopyran-2-one, 4-hydroxy-3-(1-(4-iodophenyl)-3-oxobutyl)- (9CI) 3-(alpha-Acetonyl-p-iodobenzyl)-4-hydroxycoumarin 5543-62-4 COUMARIN, 3-(alpha-ACETONYL-p-IODOBENZYL)-4-HYDROXY- Diocoumine