148711-82-4 2H-1-Benzopyran-2-one, 7-methoxy-8-(3-(4-phenyl-1-piperazinyl)propoxy)-, dihydrochloride 7-Methoxy-8-(3-(4-phenyl-1-piperazinyl)propoxy)-2H-1-benzopyran-2-one dihydrochloride 8-(3-(4-Phenyl-1-piperazinyl)propoxy)-7-methoxycoumarin dihydrochloride