2-乙酰基噻吩, 2-Acetylthiophene

N-乙酰基-L-缬氨酸, N-Acetyl-L-valine

N-(2-乙酰氨基)亚氨基二乙酸, ADA

1-金刚烷乙醇, 1-Adamantaneethanol

腺嘌呤硫酸盐, Adenine sulfate

琼脂粉, Agar powder

L-Alaninamide Hydrochloride

D-丙氨酸 乙基酯盐酸盐, D-Alanine ethyl ester hydrochloride

海藻酸, Alginic Acid

丙烯酸烯丙酯, Allyl acrylate