香草酸, Vanillic Acid

2-乙烯基苯甲酸, 2-Vinylbenzoic acid

乙烯基环戊烷, Vinylcyclopentane

4-乙烯基苯酚, 4-Vinylphenol

一水紫尿酸, Violuric Acid Monohydrate

呫吨-9-甲酸, Xanthene-9-carboxylic Acid

木糖醇, Xylitol

酵母提取物, Yeast Extract

氯化镱(III)水合物, Ytterbium(III) chloride hydrate

氧化镱(III), Ytterbium(III) Oxide

水合碳酸钇(III), Yttrium(III) carbonate hydrate

氟化钇(III), Yttrium(III) fluoride

氧化钇(III), Yttrium(III) Oxide

硫酸钇(III)八水合物, Yttrium(III) sulfate octahydrate

沸石 mordenite, Zeolite mordenite