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2,2',4,4'-Tetrahydroxybenzophenone
131-55-5
Wuhan Zeyou Chemical Co., Ltd.
Shanghai Uchem Co., Ltd
Jitat Company Ltd
Protameen Chemicals, Inc.
NetQem
Chungking Joyinchem Co., Ltd.
Hubei Jiutian Bio-medical Technology Co., Ltd
Rich Fine Chemicals Co.,Ltd.
Ningbo Wuzhou International Co., Ltd
WEIFANG RICHEM INTERNATIONAL LTD