三环[1,3-二(2,4,6三***)咪唑-2-亚基][2-***吩亚甲基]二氯化钌Tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene][2-thienylmethylene]ruthenium(II)dichloride)