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2-Naphthol-3.6-disulfonic acid disodium salt(无证书)
三唑醇异构体B
2.7-Diamino-10-ethyl-9-phenylphenanthridinium bromide (无证书)
1-氨基萘 标准品
GPC标样-聚环氧乙烷(Mw 438000)(阴离子,窄MWD) 标准品
2-特戊酰-1,3-茚满二酮溶液,100ppm
Ecgonine hydrochloride
PBDE Congeners common toTechnical Mixtures (Bromkal) 标准品
9-HYDROXYFLUORENE (13C6, 99%) 50 UG/ML IN TOLUENE 标准品
扑草净