Sigma-Aldrich
Nickel
O-Acetyl-L-serine hydrochloride
O-乙酰-L-丝氨酸 盐酸盐
蛋白胨 来源于酪蛋白, Peptone from casein, enzymatic digest
Platinum
蛋白酶, Prolidase from porcine kidney
Ricinoleyl alcohol
Silver