英文名称
1-[3-(Dimethylamino)propyl]-6-hydroxy-4-methyl-5-[[4-(methyldiazenyl)phenyl]diazenyl]-3-pyridin-1-ium-1-ylpyridin-2-one;2-[[1-[3-(dimethylamino)propyl]-2-hydroxy-4-methyl-6-oxo-5-pyridin-1-ium-1-ylpyridin-3-yl]diazenyl]-4-(methyldiazenyl)benzenesulfonate;ethene