IODINATED TRIGLYCERIDE ANALOGS

摘要

A compound represented by the following general formula (IA) or a salt thereof: wherein Ar>1< represents hydrogen atom or an aryl group having at least one iodine atom as a substituent; Ar>2< represents an aryl group having at least one iodine atom as a substituent; L>1< AND L>2< independently represent a divalent bridging group of which main chain contains 6 or more carbon atoms; L>3< represents a single bond or a divalent bridging group of which main chain contains 1 to 6 carbon atoms and one oxygen atom; X represents a functional group containing at least one heteroatom, provided that, when L>3< is a single bond, X represents a functional group other than hydroxyl group. The compound can be used as a membrane component of liposomes, and the liposomes can be used as a contrast medium for X-ray radiography.