Ratios between isomers of purified metabolite fractions and purified iodixanol exo-isomer after storage at 2–8°C
| Purified Peak | Detected Peaks | Storage | |
|---|---|---|---|
| 1 Day | 4 Mo | ||
| M1 | M1:M2 | 80:20 | 61:39 |
| M2 | M1:M2 | 31:59 | 61:39 |
| M3 | M3:M4 | 81:19 | 63:37 |
| Exo-iodixanol | Exo:endo (iodixanol) | 83:17 | 61:39 |
The calculated values are based on peak integration areas from HPLC analysis.