氧化钨, Tungsten oxide

12-钨磷酸 水合物, 12-Tungstophosphate hydrate

L-酪氨酸苄酯 对甲苯磺酸盐, L-Tyrosine benzyl ester p-toluenesulfonate salt

Ultramark® 1621

2-十一(烷)酮, 2-Undecanone

尿嘧啶, Uracil

尿苷磷酸二钠盐, Uridine-5'-monophosphate disodium salt

γ-戊内酯, gamma-Valerolactone

L-缬氨酸 苄酯 盐酸盐, L-Valine Benzyl Ester Hydrochloride

L-缬氨酸甲酯盐酸盐, L-Valine Methyl Ester Hydrochloride