| Indoleacetic Acids | Acetic acid derivatives of the heterocyclic compound indole. (Merck Index, 11th ed) | 1 | 10 | Details |
| Indolequinones | INDOLES which have two keto groups forming QUINONES like structures of the indole aroma... more | 3 | 6 | Details |
| Indoles | Benzopyrroles with the nitrogen at the number one carbon adjacent to the benzyl portion... more | 150 | 667 | Details |
| Indolizidines | Saturated indolizines that are fused six and five-membered rings with a nitrogen atom a... more | 43 | 177 | Details |
| Indolizines | Cyclic compounds that include atoms other than carbon in their ring structure. | 46 | 179 | Details |
| Inducers of Drug Clearance | Not Available | 5 | 112 | Details |
| Infant Food | Not Available | 1 | 0 | Details |
| Inflammation | Not Available | 1 | 0 | Details |
| Inflammation and Infection Detection | Not Available | 2 | 6 | Details |
| Inflammation Mediators | The endogenous compounds that mediate inflammation (AUTACOIDS) and related exogenous co... more | 73 | 223 | Details |
| Inflammation, drug therapy | Not Available | 1 | 0 | Details |
| Inflammatory Bowel Diseases | Not Available | 1 | 6 | Details |
| Influenza A M2 Protein Inhibitor | Not Available | 2 | 14 | Details |
| Influenza Vaccines | Not Available | 88 | 1 | Details |
| Information Science | The field of knowledge, theory, and technology dealing with the collection of facts and... more | 0 | 0 | Details |
| Information Services | Organized services to provide information on any questions an individual might have usi... more | 0 | 0 | Details |
| Inhalation Diagnostic Agent | Not Available | 2 | 0 | Details |
| Inhibit Ovum Fertilization | Not Available | 2 | 179 | Details |
| Inhibition Gastric Acid Secretion | Not Available | 1 | 16 | Details |
| Inhibition Large Intestine Fluid/Electrolyte Absorption | Not Available | 4 | 9 | Details |
| Inhibition Small Intestine Fluid/Electrolyte Absorption | Not Available | 1 | 1 | Details |
| Injections, Intravenous | Not Available | 1 | 2 | Details |
| Inosine Nucleotides | Complex compounds of high molecular weight occurring in living cells. These are basical... more | 1 | 11 | Details |
| Inositol 1,4,5-Trisphosphate | Not Available | 1 | 9 | Details |
| Inositol Phosphates | Phosphoric acid esters of inositol. They include mono- and polyphosphoric acid esters, ... more | 3 | 16 | Details |