美国剑桥同位素实验室(CIL)
CIL-OHCB-5114-1.2 4'-Hydroxy-3,3',4,5'-tetrachlorobiphenyl (13C12,99%) 50 µg/mL in Nonane
CIL-OHCB-5115-1.2 4-Hydroxy-2,3,3',4',5-pentachlorobiphenyl (13C12,99%) 50 µg/mL in Nonane
CIL-OHCB-5116-1.2 3-Hydroxy-2,2',4,4',5,5'-hexachlorobiphenyl (13C12,99%) 50 µg/mL in Nonane
CIL-OHCB-5117-1.2 4-Hydroxy-2,2',3,4',5,5´-hexachlorobiphenyl (13C12,99%) 50 µg/mL in Nonane