sourcingchem (sicheng , Maya High Purity )
Country: China (Mainland)
Business Type: Trading Company
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SCFC-Sourcing Chemical From China
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3,4-Dihydroxy-3-cyclobutene-1,2-dione
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N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)benzidine
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N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine
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