| Estradiol acetate Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Estradiol acetate |
| Estradiol benzoate Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Estradiol benzoate |
| Estramustine Action Pathway |  | Drug Action | Trabectedin |
| Estramustine phosphate Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Estramustine phosphate |
| Estriol Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Estriol |
| Estrone Metabolism |  | Metabolic | Ademetionine / NADH / Estrone / Estradiol / Magnesium cation / Mesoheme / Uridine-5'-Diphosphate / Estriol / Estrone sulfate |
| Estrone Predicted Metabolism Pathway |  | Metabolic | Estrone / Mesoheme |
| Estrone sulfate Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Estrone sulfate |
| Eszopiclone Action Pathway |  | Drug Action | Pyridoxal phosphate / Glutamic acid / ATP / Eszopiclone / Calcium / Magnesium cation / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid |
| Etafedrine Action Pathway |  | Drug Action | ATP / Potassium cation / Calcium / Magnesium cation / Cyclic adenosine monophosphate |
| Ethacrynic Acid Action Pathway |  | Drug Action | Cysteine / Etacrynic acid / Potassium cation / Urea |
| Ethacrynic Acid Diuretic Action Pathway |  | Drug Action | Etacrynic acid / Potassium cation |
| Ethambutol Action Pathway |  | Drug Action | Ethambutol / Sapropterin / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide |
| Ethanol Degradation |  | Metabolic | Adenosine phosphate / NADH / ATP / Ethanol / Zinc / Mesoheme / Acetic acid / Pyrophosphoric acid |
| Ethanol GABA Agonist Action Pathway |  | Drug Action | Pyridoxal phosphate / Glutamic acid / ATP / Ethanol / Calcium / Magnesium cation / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid |
| Ethanol Glycine Agonist Action Pathway |  | Drug Action | Glycine / Ethanol / Calcium |
| Ethanol NMDA Antagonist Action Pathway |  | Drug Action | L-Glutamine / Glutamic acid / Ethanol / Calcium |
| Ethanolamine oleate Drug Metabolism |  | Metabolic | Ethanolamine oleate |
| Ethchlorvynol Drug Metabolism |  | Metabolic | Ethchlorvynol |
| Ethinamate Drug Metabolism |  | Metabolic | Ethinamate |
| Ethoheptazine Drug Metabolism |  | Metabolic | Ethoheptazine |
| Ethosuximide Action Pathway |  | Drug Action | Pyridoxal phosphate / Glutamic acid / ATP / Ethosuximide / Calcium / Magnesium cation / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid |
| Ethosuximide Drug Metabolism |  | Metabolic | Ethosuximide |
| Ethotoin Action Pathway |  | Drug Action | Ethotoin / Potassium cation / Calcium |
| Ethyl chloride Drug Metabolism |  | Metabolic | Ethyl chloride |