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(办证)氘代4,4'-滴滴涕
氯霉素 (含量测定)
(16α)-21-(Acetyloxy)-16-methyl-d3-pregna-1,4,9(11)-triene-3,20-dione
七氟菊酯
Lithium - LiCl, 99.999%, 1% HCl
4,4-二氯二苯甲酮,100mg 标准品
Sonar (TM)
PUNYW26659579 Amino Oxibendazole HCl
PUNYW25241101 Lanthionine Ketimine-R-5-Ethyl Ester-d5
RoHS检测用焊锡中铅、镉标准物质