Alkyl(5%C12,60%C14,30%C16,5%C18)dimethylbenzylammonium chloride

Alkyl(5%C12,60%C14,30%C16,5%C18)dimethylbenzylammonium chloride

¥ 1.00 ¥ 1.00 1.0 CNY

¥ 1.00

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