9-芴***99%270元/kg50kg/桶L-缬氨醇99.9%1800元/kg25kg/桶L-脯氨醇99.9%2600元/kg25kg/桶环氧***98%48元/kg180kg/桶十三烷醇99.5%21元/kg165kg/桶***固醇99.9%3900元/kg25kg/桶******醇99.5%13元/kg185kg/桶β-***99%25元/kg200kg/桶)