Synonyms: 1,3-Cyclopentadiene,1,2,3,4,5-pentamethyl-, ruthenium complex; 1,5-Cyclooctadiene, rutheniumcomplex; Chloro(1,5-cyclooctadiene)(pentamethylcyclopentadienyl)ruthenium;Chloro(1,5-cyclooctadiene)(h5-pentamethylcyclopentadienyl)ruthenium; Chloro(cyclooctadiene)(h5-pentamethylcyclopentadienyl)ruthenium;Chloro(h4-1,5-cyclooctadiene)(h5-pentamethylcyclopentadienyl)ruthenium;chloro[(1,2,5,6-h)-1,5-cyclooctadiene][(1,2,3,4,5-h)-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl]ruthenium