(E)-3-(7-Diethylamino-4-methyl-2-oxo-2H-chromen-3-yl)-acrylic acid methyl ester

methyl 2-((7-(diethylamino)-4-methyl-2-oxo-2H-chromen-3-yl)methyl)acrylate

7-diethylamino-3-phenylethynyl-4-methylcoumarin

7-(diethylamino)-3-(furan-2-yl)-4-methyl-2H-chromen-2-one

7-Diethylamino-4-methyl-3-selenophen-2-yl-chromen-2-one