<unk>  is a gadolinium-based contrast agent that is FDA approved for the procedure of magnetic resonance imaging (MRI) to detect and visualize areas with disrupted blood brain barrier (BBB) and/or abnormal vascularity of the central nervous system in adult and pediatric patients (including term neonates and to assess the presence and extent of malignant breast disease. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include headache, nausea, and dizziness.
Gadobutrol
Fluoxymesterone
Aminoglutethimide
Diodone
Oxyfedrine
Iodixanol
Epomediol
Chloroxylenol