$ cat molecule-index.md

# Molecule Index

> Same ingredient. Different brand. Different country. Different price.

Source-backed medicine price notes for the drugs we can verify now; ingredient-first index for the rest.

100000 drug records20370 ingredient keys27,632 molecules41 source-backed drugs84 source rows157,384 label recordsUS first price order

$ grep "Argentum Calendula" --drug-index4 matches

Aconitum Napellus,
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Aconitum Napellus, Argentum Nitricum, Arnica Montana, Arsenicum Album, Astragalus Membranaceus, Baptisia Tinctoria, Bryo · Oral

▂▃▃▄▄▅▅▇▇██human-drug-label · price not live yet

Aconitum Napellus,
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Aconitum Napellus, Argentum Nitricum, Arnica Montana, Arsenicum Album, Astragalus Membranaceus, Baptisia Tinctoria, Bryo · Oral

██▇▆▅▅▄▃▃▂ human-drug-label · price not live yet

Argentum Calendula
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Argentum Calendula · Oral

▂▂▃▄▄▅▅▆▇▇█human-drug-label · price not live yet

Petroselinum Sativ
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Petroselinum Sativum, Calendula Officinalis, Dulcamara, Lycopodium Clavatum, Hypericum Perforatum, Aurum Metallicum, Arg · Oral

▄▇██▇▅▃▂ ▂▄human-drug-label · price not live yet

$ cat method.md

Ingredient first, prices second

Index 100,000 drug/package records by active ingredient, brand, route, class hint, source, and risk/price-gap watch signals.

Attach daily country snapshots for US, Canada, UK, India, Mexico, and EU comparator markets.

Track pharmacy-level prices, coupons, cash-pay providers, generic availability, and verified substitution boundaries.