琼脂粉, Agar powder

琼脂糖ME,用作大分子电泳, Agarose ME

L-丙胺酸, L-Alanine

DL-丙氨酸乙酯盐酸盐, DL-Alanine ethyl ester hydrochloride

β-丙氨酸甲酯 盐酸盐, beta-Alanine methyl ester hydrochloride

海藻酸钠, Alginic acid sodium salt

尿囊素, Allantoin

丙烯基硼酸邻二叔醇酯, Allylboronic acid pinacol ester

烯丙基乙硫醚, Allyl ethyl sulfide

N-甲基丙烯胺, N-Allylmethylamine