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First Standard® 氧丰索磷砜
脱氢乙酸溶液,100ppm
Aldicarb sulfone Solution 100ug/ml in Methanol
(办证)利谷隆 D6
Hydrogenated castor oil
N-乙酰磺胺二甲嘧啶
9种SVOC混标 标准品
n-Butylbenzene Solution 100ug/ml in Methanol
C27β,α,α20R Cholestane, 100μg/ml in iso-octane
5-苯甲酰-4-羟基-2-甲氧基苯磺酸(标准品)[4065-45-6]