英文别名2,2',3,3',4,4',5,6,6'-pcb; 2,2',3,3',4,4',5,6,6'-Nonachloro-1,1'-biphenyl; 1,2,3,4,5-pentachloro-6-(2,3,4,6-tetrachlorophenyl)benzene; BZNO 207; PCB NO 207; 1,1'-Biphenyl, 2,2',3,3',4,4',5,6,6'-nonachloro-; 2,3,4,6,2',3',4',5',6'-Nonachlorobiphenyl