水杨醛吖嗪, Salicylaldehyde Azine

亚水杨基苯胺, Salicylideneaniline

氯化钐(III),无水, Samarium(III) chloride

三氧化二钐, Samarium(III) oxide

蓝宝石基片,10x10x0.432mm,EPI 两面抛光,C-轴,LED级, Sapphire substrate

肌氨酸叔丁酯盐酸盐, Sarcosine tert-butyl ester hydrochloride

六水氯化钪, Scandium(III) chloride hexahydrate

三氧化二钪, Scandium(III) oxide

氨基脲盐酸盐, Semicarbazide Hydrochloride

DL-丝氨酸甲酯盐酸盐, DL-Serine Methyl Ester Hydrochloride

硅胶干燥剂, Silica gel desiccant

硅胶 60, Silica gel 60

硅胶, Silica gel

硅胶, Silica gel

硅胶, Silica gel