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n-Nonane-d20
2,5-二氯甲苯(标准品)[19398-61-9]
Hederacoside C 标准品
Quinclorac Solution 100ug/ml in MTBE
1,2,3,5-Tetrachlorobenzene-d2 标准品
贯叶金丝桃
Bromodichloromethane Solution 100ug/ml in Methanol
Butyl-/Benzyl phthalate Kit, neat (1227.19+9360.19+2054.22)
邻甲苯甲醛-DNPH
酱油中柑橘红2号、3氯-1.2丙二醇