Reaction catalyzed by aryldialkylphosphatase (3.1.8.1)

		+		H2O	=			+
	bis(1-methylethyl) 4-methyl-2-oxo-2H-chromen-7-yl phosphate	+		H2O	=		dipropan-2-yl phosphate	+		7-hydroxy-4-methyl-2H-1-benzopyran-2-one