CAS No.: 110992-55-7 Synonyms: 2-[2-[2-Chloro-3-[2-(1,3-dihydro-1,3,3-trimethyl-2 H -indol-2-ylidene)-ethylidene]-1-cyclopenten-1-yl]-ethenyl]-1,3,3-trimethyl-3 H -indolium chloride Formula: C₃₁H₃₄Cl₂N₂ Formula Weight: 505.52 Linear Formula: …