Definition: A class of compounds of the type R-M, where a C atom is joined directly to any other element except H, C, N, O, F, Cl, Br, I, or At. (Grant & Hackh's Chemical Dictionary, 5th ed)
strontium ranelate [ 3-(3-cyano-4-carboxymethyl-5-carboxy-2-thienyl)-3-azapentanedioic distrontium salt,S 12911,S-12911,S12911,S12911-0,S12911-2,S12911-5,protelos ] an uncoupling agent containing strontium prevents bone loss by depressing bone resorption & maintaining bone formation in estrogen-deficient rats