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,MW:442.72
(办证) beta-Endosulfan D4,100ng/ul 标准品
3-Amino-1.2.4-triazine (无证书)
美托洛尔酒石酸盐 标准品
Palladium - 10% HNO3 + trace of Cl(有证书)
19-Norandrosterone sulfate, 2 标准品
Aniline blue (无证书)
Di-n-nonyl Phthalate-3,4,5,6-d4 标准品
trans-9,10-Dihydroxy-9,10-dihydrophenanthrene
Citric acid, tributyl ester
22种农药混标 标准品