53221-14-0, 2,7-二氯芴-4-环氧乙烷, 2-(2,7-DICHLORO-9H-FLUOREN-4-YL)OXIRANE
803 739 8800
http://www.oakwoodchemical.com
852 8191 6999
http://www.anward.com
852 21376140
http://www.debyesci.com
+86 21 64251348
http://www.fwdchem.com
+86 2759907560
http://www.9wpharm.com
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