4-氮杂吲哚, 4-Azaindole

6-氮杂-2-硫代胸腺嘧啶, 6-Aza-2-thiothymine

氮杂环丁烷, Azetidine

叠氮基-PEG3-马来酰亚胺组件, Azido-PEG3-maleimide Kit

偶氮甲碱-H 单钠盐水合物, Azomethine-H monosodium salt hydrate

1,2-双(2-氨基苯氧基)乙烷-N,N,N',N'-四乙酸四乙酯, BAPTA tetraethyl ester

碳酸钡, Barium carbonate

铬酸钡, Barium chromate

异丙氧基钡, Barium isopropoxide

硅氧化钡, Barium silicon oxide