甲基纤维素,Methyl cellulose [Methocel® A15 LV];27.5-31.5% methoxyl basis
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二硫化钨(IV),Tungsten(IV) sulfide;powder, 2 μm, 99% -
4-异丙基硫杂蒽酮,4-Isopropylthioxanthone;PESTANAL®, analytical standard -
大车前苷 [车前子甙],Plantamajoside;phyproof® Reference Substance, ≥95.0% (HPLC) -
乙酸铵 [醋酸铵],Ammonium acetate;ACS reagent, ≥97% -
L-组氨酸盐酸盐,L-Histidine hydrochloride;≥98% -
氯化锌,Zinc chloride;anhydrous, powder, ≥99.995% trace metals basis
