{
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "id": "iso-e-super-1972",
 "type": "HistoricalEvent",
 "version": 1,
 "updated": "2026-09-30",
 "station": 12,
 "confidence": "A",
 "sources": [
  "ISO-2"
 ],
 "title": "Iso E Super, 1972",
 "date": {
  "value": "1972",
  "precision": "year",
  "year": 1972,
  "evidence": "documented",
  "source": "ISO-2",
  "where": "docs/sources/ISO-2-stepanyuk-kirschning-2019.md:55",
  "quote": "Iso E Super® (33) (1972, odour threshold: 500 ng L−1)",
  "confidence": "A"
 },
 "kind": "synthesis",
 "what": {
  "value": "Iso E Super, a synthetic woody material descended from the ionones, is dated to 1972 in a review’s list.",
  "evidence": "documented",
  "source": "ISO-2",
  "where": "docs/sources/ISO-2-stepanyuk-kirschning-2019.md:55",
  "quote": "Iso E Super® (33) (1972, odour threshold: 500 ng L−1)",
  "confidence": "A"
 },
 "label": "documented",
 "place": {
  "value": null,
  "evidence": null,
  "source": null,
  "where": null,
  "confidence": null,
  "note": "no place on record for this event"
 },
 "actors": [],
 "disagreements": [
  {
   "text": "The site’s page (#iso-e-anosmia) says 1973; the review on file gives 1972 and cites a 1975 patent (ISO-2’s earlier note). The record shows the review’s year.",
   "sources": [
    "ISO-2"
   ]
  }
 ],
 "molecules": [
  "iso-e-super"
 ],
 "materials": [],
 "botanicals": [],
 "origins": [],
 "perfumers": [],
 "fragrances": [],
 "regulations": [],
 "accords": [
  "woody-ambery-teaching-accord"
 ],
 "media": [],
 "links": {
  "essay": "/history#mega-timeline"
 },
 "copy": {
  "lede": "A review dates Iso E Super to 1972.",
  "body": [
   "It is the woody-ambery heart of the teaching accord of that name."
  ]
 }
}