维生素B12, Vitamin B12

9-羟基吨氢醇, Xanthydrol

二溴对亚二甲苯, p-Xylylene Dibromide

氯化镱(III), Ytterbium(III) chloride

氧化镱(III), Ytterbium(III) Oxide

水合氯化钇(III), Yttrium(III) chloride hydrate

异丙醇钇(III), Yttrium(III) Isopropoxide

氧化钇(III), Yttrium(III) Oxide

沸石 ferrierite, Zeolite ferrierite

沸石Y, Zeolite Y