1-(3-(Triethoxysilyl)propyl)-1H-pyrrole-2,5-dione

1-氨基-4-(二氟甲氧基)丁烷, 4-(DIFLUOROMETHOXY)BUTAN-1-AMINE

4-CARBAMOYLPYRIDINE-3-BORONIC ACID PINACOL ESTER

4-氨基苯磺酰胺盐酸盐, 4-AMINOBENZENESULPHONAMIDE HCL

4-BROMO-2-(PROP-1-YN-1-YL)PYRIDINE

6-BROMO-2-CHLOROTHIAZOLO[4,5-B]PYRIDINE

5-甲基-4,5,6,7-四氢-1H-吲唑-3-甲酸乙酯, ETHYL 5-METHYL-4,5,6,7-TETRAHYDRO-1H-INDAZOLE-3-CARBOXYLATE

Barium sulphate extra pure PH Eur

超纯硫酸钡

Sand

沙子

碳酸钙(沉淀), Calcium carbonate (precipitated)

Ultragrade 19 ,Vacuum pump oil