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黄杞苷
PCB No. 121,neat 标准品
Bromoacetic acid Solution 100ug/ml in t-Butylmethyl ether
Pullulan Standard 110'000, certified according to DIN 标准品
密度 0.7374g/ml @ 20°C 标准品
2-Chlorobenzotrichloride (无证书)
1-SEMIVOLATILES IN SOIL LCS (30G)-2000UG/KG
氰烯菌酯
苯酚(标准品)[108-95-2]
Cinnamyl bromide (无证书)