钼酸铵 (di), Ammonium molybdate (di)

过铼酸铵, Ammonium perrhenate(VII)

碲酸铵, Ammonium tellurate

硫氰酸铵, Ammonium Thiocyanate

α-当归内酯, alpha-Angelicalactone

9-蒽醛, 9-Anthraldehyde

乙氧化锑(III), Antimony(III) ethoxide

碲化锑(III), Antimony(III) telluride

DL-精氨酸, DL-Arginine

硫化砷(II), Arsenic(II) sulfide

L-(+)-抗坏血酸, L-(+)-Ascorbic acid

D-天冬氨酸, D-Aspartic Acid

L-Aspartic Acid Diethyl Ester Hydrochloride

O-(7-氮苯并三氮唑)-N,N,N',N'-四甲基脲六氟磷酸酯, O-(7-Aza-1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate

5-氰基-7-氮杂吲哚, 7-Azaindole-5-carbonitrile