二硫化钨(IV),Tungsten disulfide;Crystal, 99.995%
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叶下珠脂素 [木脂素],Phyllanthin;analytical standard, ≥95.0% (HPLC)
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聚(乙二醇)-嵌段-聚(丙二醇)-嵌段-聚(乙二醇),Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol) [PEG-PPG-PEG, Pluronic P-123];average Mn ~5,800
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氮化硅,Silicon nitride;nanopowder, <50 nm particle size (spherical), ≥98.5% trace metals basis