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First Standard® 2,2",3,3",4,4",5,5",6,6"-十氯联苯
2,2',3,3',4,4',5,5',6,6'-DecachlorobiphenylFirst Standard®天津
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2',4',5',7'-四溴-3,4,5,6-四氯荧光素,13473-26-2,>85%
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2,2',3,3',4,5,6,6'-Octachlorobiphenyl (BZ-199) 多氯联苯
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2,2',3,3',4,6,6'-七氯联苯 (BZ-176) 多氯联苯
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2,3,3',4,4',5',6-七氯联苯 (BZ-191) 多氯联苯
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2,2',3,4',5,5',6-七氯联苯
,4',5,5',6-Heptachloro-1,1'-biphenyl;PCB 187;BZ NO 187;PCB NO 187
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2,3,5,6-四氯吡啶,2402-79-1,>98.0%(GC)
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2,2',3,4'-四氯联苯
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2,3',4,5',6-五氯联苯 (BZ-121) 多氯联苯
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2,2’,3,4',5’,6-六氯联苯
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