2H-1-Benzopyran-2-one, 4-methyl-7-((4-(4-morpholinyl)-2-butynyl)oxy)-, hydrochloride 4-Methyl-7-((4-(4-morpholinyl)-2-butynyl)oxy)-2H-1-benzopyran-2-one hydrochloride 4-Methyl-7-(4-morpholino-2-butinyloxy)-cumarin hydrochlorid [German] 67268-55-7