Synonyms: Ruthenium,tetracarbonyl-m-hydro[(1,2,3,4,5-h)-1-hydroxy-2,3,4,5-tetraphenyl-2,4-cyclopentadien-1-yl][(2,3,4,5-h)-2,3,4,5-tetraphenyl-2,4-cyclopentadien-1-one]di-;1,3-Cyclopentadien-1-ol, 2,3,4,5-tetraphenyl-, ruthenium complex; 2,4-Cyclopentadien-1-one,2,3,4,5-tetraphenyl-, ruthenium complex;1-Hydroxytetraphenylcyclopentadienyl(tetraphenyl-2,4-cyclopentadien-1-one)-mu-hydrotetracarbonyldiruthenium(II);Shvo catalyst; Shvo's catalyst