$ 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 "Mang Sulf" --drug-index4 matches

Mang Sulf
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Mang Sulf · Oral

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

Avena Sativa, Medi
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Avena Sativa, Medicago Sativa, Apis Mellifera, Quinine Sulfate, Manganese Acetate Tetrahydrate, Phytolacca Americana, Pl · Oral

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

Mang Sulf
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Mang Sulf · Oral

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

Arsenic Trioxide, 
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Arsenic Trioxide, Ceanothus Americanus Leaf, Cinchona Officinalis Bark, Cobaltous Nitrate, Cupric Sulfate, Iron, Mangane · 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.