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2,2',4,4'-Tetrahydroxybenzophenone
131-55-5
Wuhan Zeyou Chemical Co., Ltd.
Shanghai Uchem Co., Ltd
ChemSynergy AG
Alcan International Network USA LLC Chemicals & Minerals,
Protameen Chemicals, Inc.
Jitat Company Ltd
NetQem
Chungking Joyinchem Co., Ltd.
Hubei Jiutian Bio-medical Technology Co., Ltd
Rich Fine Chemicals Co.,Ltd.