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异狄氏剂
N-Nitrosodiethylamine
NEOMENTHYLACETATE, (1S)-(+)-(RG) 标准品
First Standard® Z-杀虫畏
Perdeuterated PAH-I Solution in Hexane/Toluene
S-氰戊菊酯 BePure-22587YA
2,2',3,4',5,6'-Hexachlorobiphenyl 标准品
DL-4-Hydroxyphenyl-2,6-d2-alanine-2-d1 标准品
Trifloxystrobin Solution 100ug/ml in Methylene chloride
克伦潘特-D5盐酸盐 BePure-21378