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Decamethylene diammonium terephthalate (无证书)
(R)-丁酰肉碱-d3盐酸盐
Custom-1,3,5-Trichlorobenzene D3 100 ?g/mL in Cyclohexane
2,5,6,9-四氯癸烷
First Standard® 甲醇中炔草酸溶液,100μg/mL
甘油(13C3,99%)标准品
一甲基砷溶液标准物质
丙酮中精吡氟禾草灵溶液标准物质
Heptanenitrile (无证书)
BTEX - High Concentration Mixture - CLP 2000ug/ml in Methanol