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alpha-硫丹
4-Amino-5-carbethoxy-2-ethylmercaptopyrimidine
Hexachloroacetone Solution 100ug/ml in Hexane
Decafluorotriphenyl phosphine Solution 2000ug/ml in Methylene chloride
功夫酸 标准品
8270 CALIBRATION MIX 5, 1X1ML, CH2CL2 2000UG/ML 标准品
20(S)-人参皂苷Rh2 对照品
2,3,4,4',5-Pentachlorobiphenyl Solution 100ug/ml in Hexane (无证书)
2-Hydrazinopyridine dihydrochloride (无证书)
丙酮中丙溴磷(布飞松)