| Name | Specification | CAS No. | |
| 1 | Methyl phenylacetate | Enterprise Standard | 101-41-7 |
| 2 | N-(Hydroxymethyl)phthalimide | Enterprise Standard | 118-29-6 |
| 3 | N-(2-Hydroxyethyl)phthalimide | Enterprise Standard | 3891-07-4 |
| 4 | N-Hydroxy Phthalimide | Enterprise Standard | 524-38-9 |
| 5 | Methyl 3-aminocrotonate | Enterprise standard | 14205-39-1 |
| 6 | Ethyl 3-aminocrotonate | Enterprise Standard | 7318-00-5 |
| 7 | Pyridine sulfur trioxide | Enterprise Standard | 26412-87-3；28322-92-1 |
| 8 | Sieber Linker | Enterprise Standard | 3722-51-8 |
| 9 | Guanidine Hydrochloride | Enterprise Standard | 50-01-1 |
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