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Simazine
PUNYW26726382 Dothiepin-13C-d3
Metamitron-desamino,certified 标准品
除草醚/2,4-二氯-4’-硝基二苯醚
First Standard® 四溴菊酯
Novaluron
磺胺嘧啶 (SDZ)溶液, 100ppm
R-(+)-Methyl methanesulfonylpropionate (无证书)
喹硫磷
Chrysene-trans-3,4-dihydrodiol