農業(yè)和環(huán)境標準品;氣相色譜標準品(色標);脂肪烴類;脂肪烴;分析標準品;烷烴;通用試劑;生化試劑;有機化工原料;化工產品-有機化工;化工中間體;化工原料;有機原料;BuildingBlocks;ChemicalSynthesis;AnalyticalChemistry;n-Paraffins(GCStandard);StandardMaterialsforGC;ChemicalClass;Hydrocarbons;NeatsAlphabetic;P;PA-PEN;AlphaSort;P-SAlphabetic;Volatiles/Semivolatiles;Acyclic;Alkanes;OrganicBuildingBlocks;NutritionResearch;OrganicBuildingBlocks;Panaxginseng;PhytochemicalsbyPlant(Food/Spice/Herb)