Sigma-Aldrich
SEBACIC ACID BIS(2-CHLOROBENZYLIDENEHYDRAZIDE)
SEBACIC BIS((4-CHLOROBENZYLIDENE)HYDRAZIDE)
sec-butyl dichloroacetate
Shigemi 3 mm Symmetrical NMR microtube assembly
Silicon carbide
碳化硅
Silicone Elastomer, Rod, Diameter 5.0Mm, Length 1 M, Color White
Silver
银