5-氮杂胞嘧啶, 5-Azacytosine

1-氮杂呫吨酮, 4-Azaxanthone

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

天青 II, Azure II

碳酸钡, Barium carbonate

碘化钡, Barium iodide

硫酸钡, Barium sulfate

锆酸钡, Barium zirconium oxide

苯甲酰胺, Benzamide

苯-1,3-二磺酸二钠盐, Benzene-1,3-disulfonic acid disodium salt