ammonium 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazole-5-sulphonate;5-Benzoxazolesulfonic acid, 2-7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl-, ammonium salt;C.I. Solvent Yellow 135, ammonium salt;2-[7-(Diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-5-benzoxazolesulfonic acid ammonium salt
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