磺酸铵, Ammonium Sulfamate

四氯钯酸铵, Ammonium tetrachloropalladate(II)

四硫代钨酸铵, Ammonium tetrathiotungstate

钨酸铵水合物, Ammonium metatungstate hydrate

茴香偶酰, Anisil

9,10-蒽醌, 9,10-Anthraquinone

乙氧化锑(III), Antimony(III) ethoxide

氧化锑, Antimony(III) oxide

多壁碳纳米管水分散剂, Aqueous dispersant for multi-walled carbon nanotubes

D-精氨酸盐酸盐, D-Arginine monohydrochloride

硫化砷(III), Arsenic(III) sulfide

L-(+)-抗坏血酸, L-(+)-Ascorbic acid

L-(+)-天冬酰胺酸,一水合物, L-(+)-Asparagine monohydrate

L-天冬氨酸 4-苄酯, L-Aspartic Acid 4-Benzyl Ester

D-天冬氨酸甲酯, D-Aspartic acid 1-methyl ester