The title compound. [Ru(C10H15)(C10H12O)][B(C6H5)4]. crystallizes as discrete (η5-pentamethylcyclopentadienyl)Ru(η6-4-phenylbutan-2-one)]+ cations and [BPh4]− anions. In the cation. https://spencertifieders.shop/product-category/sound-recordings/