Sigma-Aldrich
Silver
银
Tantalum
钽
Tin
锡
Tungsten
钨
Naphthol AS-D chloroacetate
萘酚乙酸酯
2,6-Dimethyl-γ-pyrone
2,6-二甲基-γ-吡喃酮
Diphenyl Sulfoxide
二苯基亚砜