Wiktionary
ranelic acid
n. (context organic chemistry English) An organic acid capable of chelate metal cations.
Wikipedia
Ranelic acid
Ranelic acid is an organic acid capable of chelating metal cations.
It forms the ranelate ion, CHNOS. Strontium ranelate, the strontium salt of ranelic acid, is a drug used to treat osteoporosis and increase bone mineral density (BMD).