Pyrazino[1,2-a:4,3-a']diindole-6,7,13,14-tetrone,tetrachloro- (9CI) cas no:56602-42-7

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Shanghai Hanhong Chemical Co., Ltd.

Tel:+86-(21)-64762736, 64531573

Address: 206-209, NO.1 Building , NO.245,Jiachuan Road, Xuhui District, Shanghai,

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Tel:1-631-5046093

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