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Dicloxacillin Sodium Salt Monohydrate
石油醚中三氟氯氰菊酯(高效氯氟氰菊酯)标准溶液
cis-1.2-Cyclohexane dicarboxylic anhydride (无证书)
2,4,5,6-Tetrachloro-m-xylene Solution 200ug/ml in Methanol
Butyl 2-ethylhexyl phthalate (无证书)
贝母辛
Potassium Sodium Tartrate
4'-Bromoacetanilide
Selenium - 10% HNO3
氯丹标准品