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Zogulitsa Zazogulitsa Rich Chemical ndi katswiri waku China wogulitsa dichloromethane wamafakitale wopangidwa ku China, yemwe wakhala akupanga mankhwala achilengedwe kwa zaka 10. Kupereka chitsanzo chaulere, tikukulandirani mwachikondi kuti mugule mankhwala apamwamba a CAS No.Werengani zambiri»