chinadayangchem.com
网站标题：	Hangzhou DayangChem Co., Ltd.
网站简介：	DayangChem dedicated to the development, production and marketing of chemicals. DayangChem has established stable and friendly business relations with hundreds of European and American multinational chemical company.
关键字：	phthalide  Trimethylpyruvic  acid  2-phenylacetamide  Carbohydrazide  undecan-2-one  Dibenzoylmethane  stearoyl  benzoylmethane  4  4  4-Trifluoro-1-(4-methylphe

 

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