Filing bags are a simple and practical stationery.There are A4,A5,A6 and other sizes, as well as single pocket, multi-pocket and other options.Snap bag has snap closure, Velcro closure, elastic rope closure and other ways.Suitable for school students to store learning materials.Suitable for office staff to store a variety of office materials, in the study and office has a wide range of applications.The material of button bag is PP, PVC, EVA and so on, which is easy to carry
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histamine
Histamine Histamine BR Alias: 2-imidazolylamine, histamine, β-aminoethylimidazole, β-aminoethylglycine, 1H-imidazole-4-ethylamine, 2-(4-Imidazolyl)ethylamine No. XY291600 Origin Directory China Amino Acid CAS Number 51-45-6