| Synonym | 2-[[1,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-4H-pyrazol-4-ylidene]ethylidene]-3-ethyl-2,3-dihyd5-Benzoxazolesulfonic acid, 2-[2-[[1,5-Dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-4H-pyrazol]-4-ylidene]ethylidene]-3-ethyl-2,3-dihydro-5-benzoxazolesulfonic acid, 4-(2-(3-Ethyl-5-sulfo-2(3H)-benzoxazolylidene)ethylidene)-3-methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one, EINECS 275-153-1, 2-((1,5-Dihydro-3-methyl-5-oxo-1-(4-sulphophenyl)-4H-pyrazol-4-ylidene)ethylidene)-3-ethyl-2,3-dihydrobenzoxazole-5-sulphonic acid, 5-Benzoxazolesulfonic acid, 2-((1,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-4H-pyrazol-4-ylidene)ethylidene)-3-ethyl-2,3-dihydro-, 5-Benzoxazolesulfonic acid, 2-(2-(1,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-4H-pyrazol-4-ylidene)ethylidene)-3-ethyl-2,3-dihydro- |