1H-Imidazo(4,5-b)quinoxalinium, 6-chloro-2-(2-(1-ethyl-2,3-dihydro-5-methyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)ethenyl)-1,3-diphenyl-, perchlorate 6-Chloro-2-(2-(1-ethyl-2,3-dihydro-5-methyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)vinyl)-1,3-diphenyl-1H-imidazo(4,5-b)quinoxalinium perchlorate 63816-06-8 EINECS 264-487-3