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

L-天冬氨酸 4-苄酯 1-叔丁酯盐酸盐, L-Aspartic acid 4-benzyl ester 1-tert-butyl ester hydrochloride

5-氮杂苯并咪唑, 5-Azabenzimidazole

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

(S)-(-)-氮杂环丁烷-2-甲酸, (S)-(-)-Azetidine-2-carboxylic acid

甲亚胺-H 水合物, Azomethine-H hydrate

溴化钡二水合物, Barium bromide dihydrate