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禾草敌
2-Amino-3-bromo-5-methylpyridine
甲醇中磺胺氯吡嗪
吡虫啉-d4 BePure-23493XM
2.2'.3.4.5.5'-Hexachlorobiphenyl (无证书)
2,4-Dimethylbenzo[h]quinoline
Thiodiglycol sulfoxide 标准品
卡布特罗半硫酸盐溶液, 100ppm
Cadusafos Solution in Toluene
a-Naphthylthiourea(有证书)