Sand

沙子

碳酸钙(沉淀), Calcium carbonate (precipitated)

Ultragrade 19 ,Vacuum pump oil

1-Acetyl-4-bromo-5(3)-phenyl-3(5)-(trifluoromethyl)pyrazole

6-(Pyridin-3-yl)pyridin-3-amine

2-Hydroxy-n-octanoic Acid

2-羟基辛酸

Phenyl naphthalene-2-sulfonate

Pyrrolo[1,2-a]pyrazine-8-carboxylic acid

2-溴甲基对苯二甲酸二甲酯, 2-Bromomethyl-terephthalic acid dimethyl ester

6-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole