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Chlorotetracycline Hydrochloride

5,6,7,3',4',5'-Hexamethoxyflavone

GSB05-1884-2016

A14102000HE-1000

trans-Heptachlor-endo-epoxide (isomer A) 1000 µg/mL in Hexane

总氮(以氮计) 水质标样(浓度见批号)

A12606000HE-100

Diethylene glycol-monobutylether acetate 100 µg/mL in n-Hexane

BW81195YW-100mL

水中氟离子水质标液(浓度1000ug/ml)

Quinazolin-4-amine

A10762000AL-100

Bromopropylate 100 µg/mL in Acetonitrile

Amitriptyline N-Oxide Hydrochloride

180 181 182 183 184 185 186 187 188 189