四氯钯酸铵, Ammonium tetrachloropalladate(II)

三氟醋酸铵, Ammonium trifluoroacetate

蒽-9-羧酸, Anthracene-9-carboxylic acid

醋酸锑(III), Antimony(III) acetate

碲化锑(III), Antimony(III) telluride

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

碲化砷(III), Arsenic(III) telluride

L-(+)-无水天冬酰胺酸, L-(+)-Asparagine

L-Aspartic Acid Diethyl Ester Hydrochloride

1-偶氮-18-冠-6, 1-Aza-18-crown-6