A steroid ester compound of a terminally-fluorinated alkyl fatty acid, a steroid compound having bis(trifluoromethyl)phenyl group, a phosphatidylserine compound having a terminally-fluorinated alkyl group, a glyceride compound having bis(trifluoromethyl phenyl group, or a glyceride compound having a terminally-fluorinated alkyl group. A vascular lesion can be selectively imaged by using a contrast medium comprising a liposome containing said compound or a salt thereof.
一种具有终端
氟化烷基
脂肪酸的类
固醇酯化合物,一种具有双(三
氟甲基)苯基的类
固醇化合物,一种具有终端
氟化烷基团的
磷脂酰丝氨酸化合物,一种具有双(三
氟甲基苯基的
甘油酯化合物,或一种具有终端
氟化烷基团的
甘油酯化合物。通过使用含有该化合物或其盐的脂质体的造影剂,可以选择性地成像血管病变。