六氟硅酸铵, Ammonium hexafluorosilicate

柠檬酸铁(III)铵, Ammonium iron(III) citrate

磷酸镁铵水合物, Ammonium magnesium phosphate hydrate

一水合草酸铵, Ammonium oxalate monohydrate

硫化铵, Ammonium sulfide

四氟硼酸铵, Ammonium tetrafluoroborate

钨酸铵水合物, Ammonium metatungstate hydrate

蒽-9-羧酸, Anthracene-9-carboxylic acid

蒽酮, Anthrone

氧化锑(III), Antimony(III) oxide

D-(+)-阿糖醇, D-(+)-Arabitol

偶氮胂 III, Arsenazo III

碲化砷(III), Arsenic(III) telluride

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

L-天冬氨酸 4-叔-丁基酯, L-Aspartic Acid 4-tert-Butyl Ester