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  • compounds
  • This effect makes organobromine compounds useful as fire retardants, and more than half the bromine produced worldwide each year is put to this purpose. (wikipedia.org)
  • Bromine compounds are still used in well drilling fluids, in photographic film, and as an intermediate in the manufacture of organic chemicals. (wikipedia.org)
  • In the early years of the First World War, bromine compounds such as xylyl bromide were used as poison gas. (wikipedia.org)
  • Nonradioactive caesium compounds are only mildly toxic, but the pure metal's tendency to react explosively with water means that caesium is considered a hazardous material, and the radioisotopes present a significant health and ecological hazard in the environment. (wikipedia.org)
  • claim
  • 2. The in vivo imaging agent as defined in claim 1 wherein said radioisotope suitable for in vivo imaging is selected from 11 C, 18 F and 123 I. (patentsencyclopedia.com)
  • 3. A compound according to claim 1, wherein:A is phenyl;R 1 is selected from C 1 -4alkyl- and C 3 -6cycloalkyl-;R 2 is selected from H, halogen and unsubstituted C 1-6 alkoxy-;R 3 is H or halogen;n and m are both 1;R 5 is H;or a stereoisomer, enantiomer, in vivo-hydrolysable precursor or pharmaceutically-acceptable salt thereof. (patentsencyclopedia.com)
  • 4. A compound according to claim 1, wherein:A is phenyl;R 1 is ethyl or cyclopropyl;R 2 is selected from H, F and --OCH 3 ;R 3 is H or F;n, m and q are each 1;R 5 at each occurrence is independently selected from H, --OH and halogen;or a stereoisomer, enantiomer, in vivo-hydrolysable precursor or pharmaceutically-acceptable salt thereof. (patentsencyclopedia.com)
  • salt
  • Balard found bromine chemicals in the ash of seaweed from the salt marshes of Montpellier. (wikipedia.org)
  • Bromine was not produced in large quantities until 1858, when the discovery of salt deposits in Stassfurt enabled its production as a by-product of potash. (wikipedia.org)
  • alkoxy
  • 3. A compound according to claim 1, wherein:A is phenyl;R 1 is selected from C 1 -4alkyl- and C 3 -6cycloalkyl-;R 2 is selected from H, halogen and unsubstituted C 1-6 alkoxy-;R 3 is H or halogen;n and m are both 1;R 5 is H;or a stereoisomer, enantiomer, in vivo-hydrolysable precursor or pharmaceutically-acceptable salt thereof. (patentsencyclopedia.com)