https://telegra.ph/https://buildingblock.bocsci.com/product/dichloro-1-3-bis-2-4-6-trimethylphenyl-2-imidazolidinylidene-cas-900169-53-1-194109.htmlDichloro[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene](benzylidene)bis(3-bromopyridine)ruthenium(II) - CAS 900169-53-1