Synonyms: DIMETHYL[4-[1,7,7-TRIS(4-DIMETHYLAMINOPHENYL)-2,4,6-HEPTATRIENYLIDENE]-2,5-CYCLOHEXADIEN-1-YLIDENE]AMMONIUM PERCHLORATE;IR-895, 97%;dimethyl{4-[1,7,7-tris(4-dimethylaminophenyl)-2,4,6-heptatrienylidene]-2,5-cyclohexadien-1-ylidene}ammonium perchlorate;dimethyl[4-(1,7,7-tris(4-dimethylaminophenyl)-2,4,6-heptat