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PCB 146 BZNO 141 BZ NO 146 PCB NO 141 PCB NO 146 C20014600 PCB No. 146 Quetiapine Impurity 55 2,2',3,4,5,5'-HEXACHLOROBIPHENYL 2,2',3,4',5,5'-Hexachlorobiphenyl 2,2',3,4',5,5'-Hexachloro-1,1'-biphenyl 1,1'-Biphenyl, 2,2',3,4',5,5'-hexachloro- L20014600IO PCB No. 146 10μg/mLin Isooctane 1,2,4-trichloro-5-(2,3,5-trichlorophenyl)benzene 2,2',3,4',5,5'-HEXACB UNLABELED CERTIFIED STANDARD