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甲羟孕酮-D3,100ppm
4-氯二苯醚
异丙安替比林 BePure-25283
灭草环 标准品
(办证)氘代马拉硫磷
Chlorpyrifos,
2-Acetamido-2-deoxy-3-O-(β-D-2-acetamido-2-deoxyglucopyranosyl)-D-galactopyranose
噻呋酰胺(噻氟菌胺) BePure-25999YA
ARTIFICIAL GROUND WATER (trace elements, high carbonate content) 标准品
Pamidronate Disodium