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4.5-Diamino-6-hydroxy-2-mercaptopyrimidine (无证书)
2,6-Dimethylnaphthalene 标准品
Telmisartan
克伦普罗溶液,100ppm
13种农残混标 Bepure-33413QA-d
Monobenzyl phthalate
rac 4-氨基-m-酪氨酸 二盐酸盐
S-氰戊菊酯农药纯度标准物质
Alachlor D3 (methoxy D3) 100 ng/μL in Acetone
(办证)Difenoconazole D6 (1,1,2,3,3,3-propyl-D6)