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Heroin | C21H23NO5 | CID 5462328 - PubChem
Heroin - Wikipedia
All the Chemistry You Never Wanted to Know About Heroin,
Heroin Chemical Formula & Drug Profile - Bicycle Health
Heroin hydrochloride | C21H24ClNO5 | CID 9844225 - PubChem
Heroin - an overview | ScienceDirect Topics
Heroin drug profile | www.euda.europa.eu
heroin [TUSOM | Pharmwiki] - Tulane University
Heroin C₂₁H₂₃NO₅ - Chemical Compound Info