$ 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/Phenyl o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Foster And Thrive Chest Congestion Relief Pe Pe
Guaifenesin/Phenylephrine · Oral
Guaifenesin/Phenyl o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Cvs Health Chest Congestion Relief Pe
Guaifenesin/Phenylephrine · Oral
Guaifenesin/Phenyl o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Gnp Mucus Relief Pe
Guaifenesin/Phenylephrine · Oral
Guaifenesin/Phenyl o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Rugby Chest Congestion Relief Pe
Guaifenesin/Phenylephrine · Oral
Guaifenesin/Phenyl o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Sunmark Chest Congestion Relief Pe Pe
Guaifenesin/Phenylephrine · Oral
Guaifenesin/Phenyl o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Topcare Chest Congestion And Sinus Congestion Relief Pe
Guaifenesin/Phenylephrine · Oral
Guaifenesin/Phenyl o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Always Save Mucus Relief Pe
Guaifenesin/Phenylephrine · Oral
Guaifenesin/Phenyl o--o \/ /\ o--o
:| molecule · DailyMed SPL index
Good Neighbor Pharmacy Mucus Relief Pe Pe
Guaifenesin/Phenylephrine · 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.