英文名称
6-Methyl-2-[5-(6-methyl-1,1,3-trioxo-1-benzothiophen-2-ylidene)-3-pyridin-4-ylpenta-1,3-dienyl]-1,1-dioxo-1-benzothiophen-3-olate;2-[2-methyl-5-(1,1,3-trioxo-1-benzothiophen-2-ylidene)penta-1,3-dienyl]-1,1-dioxo-1-benzothiophen-3-olate;1-(oxolan-2-ylmethyl)-4-[1-(oxolan-2-ylmethyl)pyridin-1-ium-4-yl]pyridin-1-ium;triethylazanium