偶氮胂 III, Arsenazo III

硫化砷(III), Arsenic(III) sulfide

L-抗坏血酸 6-棕榈酸酯, L-Ascorbic acid 6-palmitate

D-天冬氨酸, D-Aspartic Acid

L-Aspartic acid 4-tert-butyl 1-methyl ester hydrochloride

金精三羧酸, Aurintricarboxylic acid

5-氮杂胞嘧啶, 5-Azacytosine

7-氮杂吲哚-3-羧酸, 7-Azaindole-3-carboxylic acid

壬二酸, Azelaic Acid

12-叠氮基十二烷基磷酸, 12-Azidododecylphosphonic acid

甲亚胺-H 水合物, Azomethine-H hydrate

BAPTA 四钠盐水合物, BAPTA tetrasodium salt hydrate

溴化钡, Barium bromide

铬酸钡, Barium chromate

碘化钡, Barium iodide