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灰黄霉素 BePure-23191YA
1.3-Dichloropropane Solution 100ug/ml in Methanol
氯酸盐
Diniconazole Solution in Methanol
68种农残混标 Bepure-33427MZ
Erythro-Chloramphenicol D5 (ring D4, benzyl D) 100 ?g/mL in Acetonitrile
Naphthol Spirits
Triethyl-d15-amine 标准品
2-甲-4-氯丁酸
2,4,6-Trichlorobiphenyl-2′,3′,4′,5′,6′-d5 标准品