1-乙酰-4-哌啶酮, 1-Acetyl-4-piperidone

5-乙酰基水杨酸, 5-Acetylsalicylic Acid

5-乙酰基噻吩-2-甲酸, 5-Acetylthiophene-2-carboxylic Acid

顺-乌头酸酐, cis-Aconitic anhydride

金刚烷, Adamantane

2-金刚烷醇, 2-Adamantanol

腺苷-5'-三磷酸二钠盐水合物, Adenosine-5'-triphosphate disodium salt hydrate

琼脂糖粒6% B-CL (Cross-linked), Agarose beads 6% B-CL (Cross-linked)

β-丙氨酸, beta-Alanine

D-丙氨酸 甲酯 盐酸盐, D-Alanine Methyl Ester Hydrochloride