The molecule is an imidazole compound having a 2,2-bis(phosphono)-2-hydroxyethane-1-yl substituent at the 1-position. It has a role as a bone density conservation agent. It is a member of imidazoles and a 1,1-bis(phosphonic acid).
(1-hydroxy-2-imidazol-1-yl-1-phosphonoethyl)phosphonic acid