英文同义词: | 2-[2-[2-chloro-3-[2-(1,3-dihydro-1,3,3-trimethyl-2h-indol-2-ylidene)-ethylidene]-1-cyclopenten-1-yl-ethenyl]-1,3,3-trimethyl-3h-indolium chloride;IR-797 chloride Dye content 70 %;(2Z)-2-[(2E)-2-[2-chloro-3-[(E)-2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]cyclopent-2-en-1-ylidene]ethylidene]-1,3,3-trimethylindole |