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Research dossier · Science & Nature

ICI-170809

chemical compound

Specimen drawers, botanical folios and brass scientific instruments under study light
Science and natureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionDec 21, 2025
Entity authorityQ83001259 ↗
Source-derived summary

ICI-170809, also known as ZM-170809, is a selective serotonin 5-HT2 receptor antagonist which was under development for the treatment of major depressive disorder, arrhythmias, thrombosis, and ischemic heart disorders but was never marketed. It was being developed by AstraZeneca. The drug reached phase 2 clinical trials prior to the discontinuation of its development.

Editorial summary

“ICI-170809” enters the record as chemical compound. Crown Archives preserves that source wording while asking what ICI-170809, chemical and compound can confirm, complicate or overturn.

Editorial reviewA practical orientation to terminology and classification, particularly when read beside dated observations, specimens or technical literature. The current 53-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its strongest next move is a source search built around ICI-170809, chemical and compound.
Editorial analysis

Why this record matters

“ICI-170809” is worth following because a concise public description often conceals a longer documentary argument. Here, ICI-170809, chemical and compound provides the most credible route into that argument.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Dec 21, 2025. The linked authority identifier is Q83001259. None of the 0 selected statements returned an explicit reference.

Critical limits

Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
Verify next

Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “ICI-170809”, its source revision and the description used here.
  2. Expand the search: follow ICI-170809 primary sources, ICI-170809 archive and ICI-170809 research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “ICI-170809”?
  2. Has classification or technical consensus changed since the cited source?
  3. Which observation, specimen, dataset or publication supports the account?
Subject index

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Source & attribution

This entry incorporates text from “ICI-170809” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.