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GBW(E)081148 乳酸
克螨特(炔螨特)(符合:GB 2763-2016)
Mineral Spirit Standards Kit (4 x 1 ml, component Kit) in
Octyl aldehyde Solution 1000ug/ml in Acetonitrile
p,p’-DDT农药溶液标准物质
WITHANOSIDE IV(P)(NEW) 标准品
4-Methoxyallylbenzene
Bromoacetyl bromide Solution 100ug/ml in Toluene
Diiodomethane (无证书)
Mucic acid