英文名称
[5-Methoxy-2-[5-[5-methoxy-3,3-dimethyl-1-(sulfonatomethyl)indol-1-ium-2-yl]penta-2,4-dienylidene]-3,3-dimethylindol-1-yl]methanesulfonate;[5-methoxy-2-[3-[5-methoxy-3,3-dimethyl-1-(sulfonatomethyl)indol-1-ium-2-yl]prop-2-enylidene]-3,3-dimethylindol-1-yl]methanesulfonate