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quinoxaline (5)CAS RN:91-19-0
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Jinan Yudong Chem Co.,Ltd.Telephone:+86-531-82312885 15990993651
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Venchem LtdTelephone:+44-01282-861198
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Penta Manufacturing Co. / Div. of Penta International Corp.Telephone:(973)740-2300
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TimTec CorporationTelephone:1-302-292-8500
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Bharath Scale-up TechnologiesTelephone:91-40-65552427