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Linghai Haixing Chemical Factory - China Supplier
api ran material and intermediate;rifabutin;rifapentine;clorsulon;rifamycin s;rifamycin s sodium;4-bromomethyl-1,2-dihydroquinoline-2-one;N-Acethyl-3-chloro-L-serine Methyl ester.hc hair dye indtermediate:hc blue ac;hc blue 2;hc red 3;hc red 7;hc violet bs;4-Fluoro-3-nitroaniline;2-Nitro-p-phenylene diamine

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