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上海昶衍化工科技有限公司
021-20242659
http://www.changyanchem.com
Porse Fine Chemical Co., Ltd.
+86 20 28069055
http://www.porsefinechemical.com
Synchem UG & Co. KG
+49 5662 40873-0
http://www.synchem.de
MRV:1-METHOXYNAPHTHALENE-2-CARBOXALDEHYDE.cml