Carfilzomib and its intermediates
| No | Product Name | CAS No. | Structure |
| 1 | Carfilzomib | 868540-17-4 |  |
| 2 | Carfilzomib intermediate | 868540-16-3 |  |
| 3 | Carfilzomib intermediate | 1140908-89-9 |  |
| 4 | Carfilzomib intermediate | 868539-98-4 |  |
| 5 | Carfilzomib intermediate | 247068-85-5 |  |
| 6 | Carfilzomib intermediate | 247068-82-2 |  |
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