| Copanlisib Drug Metabolism |  | Metabolic | Copanlisib |
| Copper gluconate Drug Metabolism |  | Metabolic | Copper gluconate |
| Corticosterone Methyl Oxidase I Deficiency (CMO I) |  | Disease | NADH / Progesterone / Hydrocortisone / Mesoheme / Cholesterol / Corticosterone / 20-hydroxycholesterol |
| Corticosterone Methyl Oxidase I Deficiency (CMO I) |  | Disease | NADH / Progesterone / Hydrocortisone / Mesoheme / Cholesterol / Corticosterone / 20-hydroxycholesterol |
| Corticosterone Methyl Oxidase II Deficiency (CMO II) |  | Disease | NADH / Progesterone / Hydrocortisone / Mesoheme / Cholesterol / Corticosterone / 20-hydroxycholesterol |
| Corticosterone Methyl Oxidase II Deficiency (CMO II) |  | Disease | NADH / Progesterone / Hydrocortisone / Mesoheme / Cholesterol / Corticosterone / 20-hydroxycholesterol |
| Corticotropin Activation of Cortisol Production |  | Signaling | ATP / Hydrocortisone / Magnesium cation / Cyclic adenosine monophosphate / Pyrophosphoric acid |
| Cortisone Acetate Action Pathway |  | Drug Action | Glutathione / Hydrocortisone / Dinoprostone / Calcium / Cortisone acetate / Prostaglandin D2 / Mesoheme / Prostaglandin G2 / 1-Methylhistidine / Arachidonic Acid |
| Creatine Deficiency, Guanidinoacetate Methyltransferase Deficiency |  | Disease | Pyridoxal phosphate / Ademetionine / Arginine / Aspartic acid / Ornithine / Adenosine phosphate / Succinic acid / Glutamic acid / Glycine / Creatine / Citrulline / NADH / ATP / Proline / Sapropterin / Nitric Oxide / Mesoheme / Glycocyamine / 3,4-Dihydro-2h-Pyrrolium-5-Carboxylate / Oxogluric acid / N(5)-[(hydroxyamino)(imino)methyl]-L-ornithine / Flavin adenine dinucleotide / Flavin mononucleotide / Urea / Pyrophosphoric acid / Maleic acid / 4-Carboxy-4-Aminobutanal |
| Creatine Drug Metabolism |  | Metabolic | Creatine |
| Crisaborole Drug Metabolism |  | Metabolic | Crisaborole |
| Cyclacillin Predicted Metabolism Pathway |  | Metabolic | Cyclacillin / Mesoheme |
| Cyclandelate Action Pathway |  | Drug Action | ATP / Calcium / Magnesium cation / Cyclandelate |
| Cyclizine H1 Antihistamine Neurological Sleep Action Pathway |  | Drug Action | Pyridoxal phosphate / Histidine / Cyclizine / Calcium |
| Cyclizine H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Cyclizine / Calcium / Magnesium cation |
| Cyclizine H1-Antihistamine Action |  | Drug Action | Cyclizine / Calcium |
| Cyclizine H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Cyclizine / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide |
| Cyclizine H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Cyclizine / Calcium |
| Cyclobenzaprine Predicted Metabolism Pathway |  | Metabolic | Cyclobenzaprine / Mesoheme |
| Cyclobenzaprine Serotonin antagonist Action Pathway |  | Drug Action | Pyridoxal phosphate / Tryptophan / Sapropterin / Cyclobenzaprine / Calcium / Iron / Oxitriptan |
| Cycloguanil Drug Metabolism |  | Metabolic | Cycloguanil |
| Cyclopenthiazide Drug Metabolism |  | Metabolic | Cyclopenthiazide |
| Cyclopentolate Predicted Metabolism Pathway |  | Metabolic | Cyclopentolate / Mesoheme |
| Cyclophosphamide Action Pathway |  | Drug Action | Glutathione / NADH / Cyclophosphamide / Mesoheme / Acrylic Acid |
| Cyclophosphamide Action Pathway (New) |  | Drug Action | NADH / Adenine / Cyclophosphamide / Mesoheme / Acrylic Acid |