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First Standard® 氟氯苯菊酯
4-Methyl-2-pentanone-2,4-dinitrophenylhydrazone 1000 ?g/mL in Acetonitrile
4,4'-Dinitrodiphenylamine 标准品
丙酮中绿磺隆溶液标准样品
(1R,4S)-rel-N-[4-[(Acetyloxy)methyl]-2-cyclopenten-1-yl]acetamide
BTEX空气混标48L, 10PPM 标准品
抑草磷 标准品
NARCEINE Trihydrate(P) 那碎因三水化合物标准品
Borosilicate (Durability)
p-Anisylpyridazone