for the following products
Dichloro(1,3-dimesityl-2-imidazolidinylidene)(2-isopropoxybenzylidene)ruthenium | Umicore Hoveyda-Grubbs Catalyst M720 | [1,3-bis-(2,4,6-Trimethylphenyl)-2-imidazolidinylidene]dichloro(2-isopropoxyphenylmethylene)ruthenium and Hoveyda-grubbs catalyst 2nd generation
