Retention time and resolution of avanafil and its impurities.
| Impurities | RT (min) | Resolution |
|---|---|---|
| Imp-A | 4.29 | — |
| Imp-B | 5.02 | 5.35 ± 0.03 |
| Avanafil | 5.44 | 2.81 ± 0.03 |
| Imp-C | 6.02 | 3.88 ± 0.03 |
| Imp-D | 7.85 | 12.35 ± 0.1 |
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