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alfachemistry22

alfachemistry22

provide the chemical, particularly the pharmaceutical industry,custom made intermediates, carbohydrates, heterocyclic, chiral compounds and fine chemicals,environmental remediation products.

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HotelLampedusa
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murphywu 2019-07-03, 10:24

Sulfur dyes are synthetic organic dyes that are formed by the thionation or sulphurisation of organic intermediates containing nitro or amino groups. Sulfur dyes have sulfur bonds in their molecules. 

By murphywu in alfachemistry22 on 2019-07-03 10:24:54.