| Dexrazoxane Drug Metabolism |  | Metabolic | Dexrazoxane |
| Dextroamphetamine Dopamine Reuptake Inhibitor Action Pathway |  | Drug Action | Pyridoxal phosphate / Tyrosine / ATP / Dopamine / Levodopa / Calcium / Magnesium cation / Dextroamphetamine / Iron / Cyclic adenosine monophosphate |
| Dextromethorphan metabolism |  | Metabolic | Dextromethorphan / Mesoheme / Dextrorphan |
| Dextromethorphan Nicotinic Acetylcholine Antagonism Action Pathway |  | Drug Action | Choline / Dextromethorphan / Calcium / Magnesium cation / Acetylcholine |
| Dextromethorphan NMDA Antagonism Action Pathway |  | Drug Action | L-Glutamine / Glutamic acid / Dextromethorphan / Calcium |
| Dextromoramide Opioid Agonist Action Pathway |  | Drug Action | ATP / Calcium / Magnesium cation / Dextromoramide / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid / Sar9, Met (O2)11-Substance P |
| Dextropropoxyphene Opioid Agonist Action Pathway |  | Drug Action | ATP / Dextropropoxyphene / Calcium / Magnesium cation / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid / Sar9, Met (O2)11-Substance P |
| Dezocine Action Pathway |  | Drug Action | ATP / Norepinephrine / Dopamine / Dezocine / Potassium cation / Calcium |
| Dezocine Kappa Opioid Antagonism Action Pathway |  | Drug Action | ATP / Dezocine / Calcium / Magnesium cation / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid |
| Dezocine Mu Opioid Agonism Action Pathway |  | Drug Action | ATP / Dezocine / Calcium / Magnesium cation / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid / Sar9, Met (O2)11-Substance P |
| Diamorphine Action Pathway |  | Drug Action | ATP / Morphine / Calcium / Magnesium cation / Diamorphine / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Acetic acid / Pyrophosphoric acid |
| Diazepam Action Pathway |  | Drug Action | Pyridoxal phosphate / Glutamic acid / ATP / Diazepam / Calcium / Magnesium cation / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid |
| Diazolidinylurea Drug Metabolism |  | Metabolic | Diazolidinylurea |
| Diazoxide Drug Metabolism |  | Metabolic | Diazoxide |
| Dibucaine Action Pathway |  | Drug Action | ATP / Norepinephrine / Cinchocaine / Dopamine / Potassium cation / Calcium |
| Dichloralphenazone Drug Metabolism |  | Metabolic | Dichloralphenazone |
| Dichlorphenamide Drug Metabolism Pathway |  | Metabolic | Diclofenamide |
| Diclofenac Action Pathway |  | Drug Action | Glutamic acid / Glutathione / Diclofenac / Dinoprostone / Calcium / Magnesium cation / Zinc / Prostaglandin D2 / Mesoheme / Prostaglandin G2 / Arachidonic Acid |
| Diclofenac NSAID Action Pathway |  | Drug Action | Glutathione / Diclofenac / Dinoprostone / Calcium / Mesoheme / Prostaglandin G2 / Arachidonic Acid |
| Diclofenac Predicted Metabolism Pathway |  | Metabolic | Diclofenac / Mesoheme |
| Dicloxacillin Predicted Metabolism Pathway |  | Metabolic | Dicloxacillin / Mesoheme |
| Dicoumarol Action Pathway |  | Drug Action | Dicoumarol / Phylloquinone / Calcium |
| Dicumarol Action Pathway |  | Drug Action | Dicoumarol / Phylloquinone / Calcium |
| Didanosine Action Pathway |  | Drug Action | ATP / Didanosine / 2',3'-Dideoxyadenosine triphosphate |
| Didanosine Anti-viral Action Pathway |  | Drug Action | Didanosine / Magnesium cation / Zinc |