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2,2',3,4,4'-五氯联苯
甲醇中丙溴磷(布飞松)
Fuel Oil #4 Solution 50,000ug/ml in Methylene chloride
5,5-Diphenyl-d10-hydantoin 标准品
2-Amino-4.6-dichloropyrimidine (无证书)
Thalidomide
Non-Ortho Substituted PCBs 标准品
SPIKED SKIM MILK POWDER (trace elements) 标准品
吡嘧磺隆农药纯度标准物质
鳗鱼 恩诺沙星 BQC1363122543H