Ammonium, (6-diethylamino-3H-xanthen-3-ylidene)diethyl-, chloride, iron(III) chloride deriv. Ammonium, [6-(diethylamino)-3H-xanthen-3-ylidene]diethyl-, tetrachloroferrate (1-)- Crude pyronine B Ethanaminium, N-[6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl-, (T-4)-tetrachloroferrate(1-) NSC3093 Pyronine B, crude