$ 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.
Guaifenesin And Co o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Guaiatussin Ac Sugar Free Liquid
Guaifenesin And Codeine Phosphate · Oral
Codeine Phosphate o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Virtussin Ac Liquid
Codeine Phosphate And Guaifenesin · Oral
Codeine Phosphate o--o \/ /\ o--o
:| molecule · DailyMed SPL index
G Tussin Ac Liquid
Codeine Phosphate And Guaifenesin · Oral
Codeine Phosphate o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Maxi-Tuss Ac Liquid
Codeine Phosphate And Guaifenesin · Oral
Codeine Phosphate o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Codeine Phosphate And Guaifenesin Liquid
Codeine Phosphate And Guaifenesin Liquid · Oral
Codeine Phosphate o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Codeine Phosphate And Guaifenesin Liquid
Codeine Phosphate And Guaifenesin Liquid · Oral
Codeine Phosphate o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Codeine Phosphate And Guaifenesin Liquid
Codeine Phosphate And Guaifenesin Liquid · Oral
Codeine Phosphate o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Cheratussin Ac Liquid
Codeine Phosphate And Guaifenesin · Oral
Codeine Phosphate o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Virtussin A/C Liquid
Codeine Phosphate And Guaifenesin · Oral
Codeine Phosphate o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Codeine Phosphate And Guaifenesin Liquid
Codeine Phosphate And Guaifenesin Liquid · Oral
$ cat method.md
Ingredient first, prices second
Now
Index 100,000 drug/package records by active ingredient, brand, route, class hint, source, and risk/price-gap watch signals.
Next
Attach daily country snapshots for US, Canada, UK, India, Mexico, and EU comparator markets.
Later
Track pharmacy-level prices, coupons, cash-pay providers, generic availability, and verified substitution boundaries.