| Number | Product name | CAS No. |
| 1 | DL-2-Phenylpropionic acid | 492-37-5 |
| 2 | 2-(p-Tolyl)propionic acid | 938-94-3 |
| 3 | 2-(4-Bromomethyl)phenylpropionic acid | 111128-12-2 |
| 4 | Ethyl 2-oxocyclopentanecarboxylate | 611-10-9 |
| 5 | Methyl 2-cyclopentanonecarboxylate | 10472-24-9 |
| 6 | Loxoprofen | 68767-14-6 |