KnowraTerpenoidLinked fromLinked fromThe 10 pages that link to Terpenoid, each with the reason it gives.All 10Broader topic 3Related 3Narrower topic 2Compared with 2TerpeneCompared with: Terpenes are hydrocarbons; terpenoids include their modified, often oxygen-containing derivatives.AlkaloidCompared with: Terpenoids are classified by carbon-skeleton origins rather than by the nitrogen that defines alkaloids.