酸性去污纤维

Propionic acid

uncharged polar amino acid【生化】

general acid-base catalysis

excitatory amino acid

Cis-5,8,11,14,17-Eicosapentaenoic acid(EPA)

ethylenediamine tetra-n-propionic acid

Ibandronic acid

ASCORBIC ACID ( V.C. )