Sigma-Aldrich
Gold
Hyaluronic acid sodium salt from Streptococcus zooepidemicus
Poly(β-glucuronic acid-[1→3]-β-N-acetylglucosamine-[1→4]), alternating
Inosine 3′:5′-cyclic monophosphate sodium salt
Iron
L-Kynurenine
L-犬尿氨酸
Laminarin from Laminaria digitata
昆布多糖 来源于掌状海带
Lead
Molybdenum