 | C3D-6180 | 38806-26-7 | Impurity | |
| N-Methyl-N-ethylacetamide?mixture of isomers? |
 | C3D-6182 | 27825-74-7 | Impurity | |
| DTPA Impurity 1 |
| C3D-6188 | 4873-56-7 | Impurity | |
| Isobutyl p-methyl Benzenesulfonic acid |
 | C4X-10011 | 992-62-1 | Impurity | |
| Erythromycin EP Impurity B |
| C4X-100110 | 55224-05-0 | Impurity | |
| Erythromycin Impurity 10(Davercin) |
| C4X-100112 | N/A | Impurity | |
| Erythromycin Impurity 12 |
| C4X-100113 | 58781-38-7 | Impurity | |
| Erythromycin Impurity 13 |
 | C4X-100115 | 992-65-4 | Impurity | |
| Erythromycin EP Impurity H?Erythromycin A N-oxide? |
 | C4X-100116 | 546-57-6 | Impurity | |
| Erythromycin EP Impurity I?Erythralosamine? |
 | C4X-10012 | 33396-29-1 | Impurity | |
| Erythromycin EP Impurity E |
