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Shanghai Tengqian Biotechnology Co., Ltd
D419, Fox Business Building, 4226 Duzhuang Road, Minhang District, Shanghai
1,1':4',1'':3'',1''':4''',1''''-Quinquephenyl-4,4'
Phenol, 4,4'-(2,1,3-benzothiadiazole-4,7-diyl)bis-