Compound 6

4-((E)-(((E)-(1,3-bis(2,6-diisopropylphenyl)-2,4-diphenyl-1H-imidazol-3-ium-5-yl)methylene)hydrazineylidene)methyl)-1,3-bis(2,6-diisopropylphenyl)-2,5-diphenyl-1H-imidazol-3-ium triflate

From: Isolation and reactivity of an elusive diazoalkene