(2-Morpholinoethyl) 2-oxo-2H-1-benzopyrancarboxylate hydrochloride 2H-1-Benzopyran-3-carboxylic acid, 2-oxo-, 2-(4-morpholinyl)ethyl ester, hydrochloride (9CI) 2H-1-Benzopyrancarboxylic acid, 2-oxo-, (2-morpholinoethyl) ester, hydrochloride 73728-41-3 Coumarin, 3-((2-morpholinoethoxy)carbonyl)-, hydrochloride NSC 74811