• acetic
  • DOTA (1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid) contains four acetic acid carboxylate groups on the four nitrogen atoms of its twelve-membered cyclic structure. (biomers.net)
  • amino acid
  • EDTA chelation therapy involves repeated administrations of a synthetic amino acid to reduce atherosclerotic plaque and other mineral deposits throughout the cardiovascular system. (clinicaltrials.gov)
  • chelating agent
  • Compositions having improved anti-plaque activity comprise a synergistic combination of a) a morpholinoamino alcohol, such as 3-(4-propylheptyl)-4-(2-hydroxyethyl) morpholine, and b) a chelating agent such as ethylenediaminetetraacetic acid. (google.es)
  • hard
  • one ranking system focuses on ligand 'hardness' (see also hard/soft acid/base theory ). (wikipedia.org)