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Hexachloro-1.3-butadiene (13C4)
磺胺二甲嘧啶-d4 RMCS80011-5mg
Rubidium - RbNO3,99.95%,2% HNO3(有证书)
青霉素G钾盐 BePure-24743-500mg
PUNYW25124205 Diazinon Oxon-d10 (Diazoxon-d10)
D-Alanine Benzyl Ester Benzenesulfonic Acid Salt
MQCA-d4 BePure-24116-10mg
2.4.4'-Trichlorobiphenyl Solution 100ug/ml in Hexane (无证书)
2-NP-呋喃唑酮 标准品
First Standard® 甲苯中25种农药混标溶液,100μg/mL