(Diethyl(4-methyl-2-oxo-2H-benzopyran-7-yl))ammonium hydrogen sulphate 2H-1-Benzopyran-2-one, 7-(diethylamino)-4-methyl-, sulfate (1:1) 4-Methyl-7-(diethylamino)coumarin, hydrosulfate 4-Methyl-7-diethylaminocoumarin, hydrogensulfate 67210-66-6 7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one sulfate (1:1) 7-(Diethylamino)-4-methylcoumarin sulfate 7-Diethylamino-4-methylcoumarin sulfuric acid salt COUMARIN, 7-DIETHYLAMINO-4-METHYL-, HYDROGEN SULFATE Coumarin, 7-(diethylamino)-4-methyl-, sulfate (1:1) Diethyl-4-methyl-7-coumarinylammonium hydrogen sulfate EINECS 266-604-3