Sigma-Aldrich
Poly-L-lysine hydrochloride
聚-L-赖氨酸 盐酸盐
Propionylthiocholine iodide
S-碘化丙酰硫代胆碱
S-(2-Aminoethyl)-L-cysteine hydrochloride
S-(2-氨基乙基)-L-半胱氨酸盐酸盐 盐酸盐
Silver
银
Spermine
精胺
Tantalum
钽
Tin
锡