 | C4X-137325 | 287170-99-4 (Free Acid) | Impurity | |
| Tryptophan EP Impurity L Lithium Salt (Mixture of Diastereomers) |
 | C4X-137327 | 164068-19-3 | Impurity | |
| Tryptophan EP Impurity J |
| C4X-137328 | 145545-23-9?free base? | Impurity | |
| Tryptophan EP Impurity F HCl |
| C4X-137329 | 129784-88-9 | Impurity | |
| yptophan Impurity 29 |
 | C4X-13733 | 2922-83-0 | Impurity | |
| Tryptophan EP Impurity C |
| C4X-137330 | N/A | Impurity | |
| Tryptophan EP Impurity L Diethylamine |
 | C4X-137331 | 2591-98-2 | Impurity | |
| Tryptophan impurity 31 |
| C4X-137332 | 2306500-74-1 | Impurity | |
| Tryptophan impurity 32 |
 | C4X-137333 | 53602-74-7 | Impurity | |
| Tryptophan impurity 33 |
| C4X-137335 | 132685-02-0?free base? | Impurity | |
| Tryptophan EP Impurity A 2HCl |
