| 11. | PBDEs _ polybrominated diphenyl ethers _ are commonly used in upholstery, electronics and other foam and plastic products.
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| 12. | This notation has been extended to other widely studied environmental contaminants with similar structural properties-polybrominated diphenyl ethers.
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| 13. | Diphenyl-2-pyridylphosphine is an integral ligand in the Pd ( II ) catalyzed carbonylation of alkynes.
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| 14. | "' Diphenyl-2-pyridylmethane "'is a stimulant that is related to desoxypipradrol.
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| 15. | Thioxanthone can be prepared by the reaction of diphenyl sulfide with phosgene in the presence of catalytic aluminium chloride.
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| 16. | Disulfides where the two R groups are the same are called symmetric, examples being diphenyl disulfide and dimethyl disulfide.
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| 17. | Substantial levels of persistent, bioaccumulative and toxic ( PBT ) polybrominated diphenyl ethers were detected in biosolids in 2001.
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| 18. | It can also generate the ( diphenyl ) methyl carbene and nitrogen gas upon illumination by ultraviolet light or heating.
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| 19. | This method was used to synthesize 1, 8-diphenyl-1, 3, 5, 7-octatraene.
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| 20. | Using the Ramberg B�cklund reaction to synthesize 1, 8-diphenyl-1, 3, 5, 7-octatraene
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