helenalin

chemical compound
ChemicalSubstance type_of_chemical_entity Q387505
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helenalin

Summary

helenalin is a type of chemical entity[1]. helenalin has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • helenalin's instance of is recorded as type of chemical entity[3].
  • helenalin's canonical SMILES is recorded as CC1CC2C(C(C3(C1C=CC3=O)C)O)C(=C)C(=O)O2[4].
  • helenalin's chemical formula is recorded as C₁₅H₁₈O₄[5].
  • helenalin is a type of pseudoguaiane sesquiterpenoid[6].
  • helenalin's Commons category is recorded as Helenalin[7].
  • helenalin's found in taxon is recorded as Arnica montana[8].
  • helenalin's found in taxon is recorded as Inula britannica[9].
  • helenalin's found in taxon is recorded as Helenium elegans[10].
  • helenalin's found in taxon is recorded as Helenium laciniatum[11].
  • helenalin's found in taxon is recorded as Helenium mexicanum[12].
  • helenalin's found in taxon is recorded as Arnica acaulis[13].
  • helenalin's found in taxon is recorded as Arnica longifolia[14].
  • helenalin's found in taxon is recorded as Centipeda minima[15].
  • helenalin's found in taxon is recorded as Helenium aromaticum[16].
  • helenalin's found in taxon is recorded as Gaillardia megapotamica[17].
  • helenalin's found in taxon is recorded as Helenium amarum[18].
  • helenalin's found in taxon is recorded as Helenium donianum[19].
  • helenalin's found in taxon is recorded as Helenium microcephalum[20].
  • helenalin's found in taxon is recorded as Loxothysanus sinuatus[21].
  • helenalin's found in taxon is recorded as Psilostrophe cooperi[22].
  • helenalin's found in taxon is recorded as Psychotria asiatica[23].
  • helenalin's found in taxon is recorded as Psychotria rubra[24].
  • helenalin's found in taxon is recorded as Helenium autumnale[25].
  • helenalin's found in taxon is recorded as Helenium puberulum[26].
  • helenalin's found in taxon is recorded as Helenium quadridentatum[27].

Why It Matters

helenalin has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[2] helenalin is known by 3 alternative names across languages and contexts.[28]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . PubChem. Retrieved . wikidata.org.
  3. [5] . PubChem. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Sesquiterpene lactone content in leaves of in vitro and field cultivated Arnica montana. wikidata.org.
  7. [9] . Pseudoguaianolides and guaianolides from Inula hupehensis as potential anti-inflammatory agents. wikidata.org.
  8. [10] . Constituents of Helenium Species. XII. Sesquiterpene Lactones of Some Southwestern Species1,2. wikidata.org.
  9. [11] . Constituents of Helenium Species. XII. Sesquiterpene Lactones of Some Southwestern Species1,2. wikidata.org.
  10. [12] . Structure and stereochemistry of mexicanin F, a novel dimeric nor-sesquiterpene lactone from Helenium mexicanum. wikidata.org.
  11. [13] . Sesquiterpene lactones and other constituents of Arnica acaulis. wikidata.org.
  12. [14] . Structure revision of xanthalongin and further sesquiterpene lactones from flowers of Arnica longifolia. wikidata.org.
  13. [15] . Two New Triterpenoids from Centipeda minima. wikidata.org.
  14. [16] . Sesquiterpene lactones of Cephalophora aromatica (HOOK.) SCHRADER and their deterrent activity. The stereostructure of geigerinin. wikidata.org.
  15. [17] . Chemotaxonomy of the argentinian species of Gaillardia. wikidata.org.
  16. [18] . Guaianolide α-arabinopyranosides from Helenium amarum. wikidata.org.
  17. [19] . Guaianolide Glucosides fromHelenium donianum. wikidata.org.
  18. [20] . Quantitation of hymenoxon and related sesquiterpene lactones. wikidata.org.
  19. [21] . Pseudoguaianolides carabrone derivatives from Loxothysanus sinuatus. wikidata.org.
  20. [22] . A novel enol-pseudoguaianolide from Psilostrophe cooperi. wikidata.org.
  21. [23] . Antitumor agents. 89. Psychorubrin, a new cytotoxic naphthoquinone from Psychotria rubra and its structure-activity relationships. wikidata.org.
  22. [24] . Antitumor agents. 89. Psychorubrin, a new cytotoxic naphthoquinone from Psychotria rubra and its structure-activity relationships. wikidata.org.
  23. [25] . Helenalin. I. Helenalin, the Bitter Sternutative Substance Occurring in Helenium Autumnale. wikidata.org.
  24. [26] . Pseudoguaianolides and guaianolides from Helenium puberulum. wikidata.org.
  25. [27] . The Constituents of Certain Species of Helenium. III. The Ester Nature of Tenulin. wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [28] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). helenalin. Retrieved May 3, 2026, from https://4ort.xyz/entity/helenalin
MLA “helenalin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/helenalin.
BibTeX @misc{4ortxyz_helenalin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{helenalin}}, year = {2026}, url = {https://4ort.xyz/entity/helenalin}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): helenalin — https://4ort.xyz/entity/helenalin (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 17d ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Stereoisomer of 8-epihelenalin, (3aR,5R,5aR,8aR,9R,9aS)-9-hydroxy-5,8a-dimethyl-1-methylidene-3a,4,5,5a,9,9a-hexahydroazuleno[6,7-b]furan-2,8-dione, Mexicanin I +3
    Instance of type of chemical entity
    Has characteristic bitterness
    Subclass of
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"
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