Sigma-Aldrich
Gold
金
ethyl 7-bromo-3-(3-ethoxy-3-oxopropyl)-1H-indole-2-carboxylate
ETHYL 7ACETOXYMETHYL6BENZAMIDOHEXAH-7METHYL5OXOIMIDAZO(12A)PYRIDINE8CARBOXYLATE
Greiner ParoCheck
Grids for transmission electron microscopy
透射电子显微镜用滤线栅
GUANIDINE P-TOLUENESULFONATE
H-B® Durac® Thermometer