  | C4X-21191 | N/A | Impurity |  | 
| Bisphenol A Impurity 1 | 
  | C4X-21193 | 2300-15-4 | Impurity |  | 
| Bisphenol A Impurity 3 | 
  | C4X-21201 | N/A | Impurity |  | 
| Gadobutrol Impurity 1 | 
  | C4X-212010 | 57280-22-5 | Impurity |  | 
| Gadobutrol Impurity 10 | 
  | C4X-2120100 | 112188-16-6 | Impurity |  | 
| Gadobutrol EP Impurity C (Gadoteridol USP Related Compound B) | 
  | C4X-2120101 | 835640-27-2 | Impurity |  | 
| Gadobutrol Impurity 101 | 
  | C4X-2120102 | 2101625-18-5 | Impurity |  | 
| Gadobutrol Impurity 102 | 
  | C4X-2120103 | 114873-37-9?free base? | Impurity |  | 
| Gadobutrol Impurity 103 Trifluoroacetic acid | 
  | C4X-2120104 | 112193-75-6?free base? | Impurity |  | 
| Gadobutrol Impurity 104  4HCl | 
  | C4X-2120105 | N/A | Impurity |  | 
| Gadobutrol Impurity 105 4HCl |