过铼酸铵, Ammonium perrhenate(VII)

四氯钯酸铵, Ammonium tetrachloropalladate(II)

硫氰酸铵, Ammonium Thiocyanate

1,6-脱水β-D-吡喃葡萄糖, 1,6-Anhydro-beta-D-glucopyranose

1,4-蒽醌, 1,4-Anthraquinone

碘化锑(III), Antimony(III) iodide

碲化锑(III), Antimony(III) telluride

D-精氨酸, D-Arginine

硫化砷(III), Arsenic(III) sulfide

L-抗坏血酸钠, L-Ascorbic Acid Sodium Salt

L-天冬氨酸, L-Aspartic Acid

D-天冬氨酸二甲酯盐酸盐，98％, D-Aspartic acid dimethyl ester hydrochloride

1-偶氮-15-冠-5, 1-Aza-15-crown-5

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

氮杂环丁烷 盐酸盐, Azetidine Hydrochloride