Synonyms: 1,3-Cyclopentadiene,1,2,3,4,5-pentamethyl-, ruthenium complex; Chloro(pentamethyl-h5-cyclopentadienyl)bis(triphenylphosphine)ruthenium(II);Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium; Chloro(h5-pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium;Chloro[(1,2,3,4,5-h)-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl]bis(triphenylphosphine)ruthenium