DL-色氨酰胺, DL-Tryptophanamide

硼化钨, Tungsten boride

乙醇钨(V), Tungsten(V) ethoxide

硅化钨, Tungsten silicide

DL-酪氨酸, DL-Tyrosine

L-酪氨酸 甲酯, L-Tyrosine Methyl Ester

十一酸, Undecanoic Acid

1-十一炔, 1-Undecyne

尿素, Urea

戊酸肼, Valeric acid hydrazide