十二水合硫酸铁铵(III), Ammonium iron(III) sulfate dodecahydrate

一水合草酸铵, Ammonium oxalate monohydrate

一水合亚硫酸铵, Ammonium sulfite monohydrate

硫氰酸铵, Ammonium Thiocyanate

苯胺-2,5-二磺酸, Aniline-2,5-disulfonic acid

9,10-蒽并醌-2-磺酸钠盐水合物, 9,10-Anthraquinone-2-sulfonic acid sodium salt hydrate

氧化锑(III), Antimony(III) oxide

花生酸, Arachidic Acid

硫化砷(III), Arsenic(III) sulfide

亚细亚酸, Asiatic Acid