STEROID COMPOUND HAVING IODINE ATOM AND ACETAL STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide an iodine compound which is suitable for liposome type iodine contrast medium for the selective contrastradiography of lesions. SOLUTION: This compound represented by general formula (I) [Ar is an aryl group (may have one or more substituents except iodine atom) having at least one iodine atom as a substitutent; Ste is a steroid residue] or its salt. COPYRIGHT: (C)2005,JPO&NCIPI