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ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Antiviral agent: Treatment of hepatitis C

Chemical Name

(1aR,5S,8S,10R,22aR)-5-tert-butyl-N-{(1R,2S)-1-[(cyclopropylsulfonyl)carbamoyl]-2-ethenylcyclopropyl}-14-methoxy-3,6-dioxo-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-8H-7,10-methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadeca[11,12-b]quinoxaline-8-carboxamide (WHO)

Foreign Names

  • Grazoprevirum (Latin)
  • Grazoprevir (German)
  • Grazoprévir (French)
  • Grazoprevir (Spanish)

Generic Names

Brand Names

  • PrZEPATIER [+ Elbasvir]
    Schering-Plough, Georgia
  • Zepatier [+ Elbasvir]
    Merck, Iceland; Merck Canada, Canada; Merck KgaA, Greece; Merck Sharp & Dohme, Australia; Merck Sharp & Dohme, Bosnia & Herzegowina; Merck Sharp & Dohme, Estonia; Merck Sharp & Dohme, Spain; Merck Sharp & Dohme, United Kingdom; Merck Sharp & Dohme, Israel; Merck Sharp & Dohme, Lithuania; Merck Sharp & Dohme, Latvia; Merck Sharp & Dohme, Netherlands; Merck Sharp & Dohme, New Zealand; Merck Sharp & Dohme, Romania; Merck Sharp & Dohme, United States; Merck Sharp & Dohme BV, Slovenia; MSD, Czech Republic; MSD, Denmark; MSD, Finland; MSD, France; MSD, Ireland; MSD, Norway; MSD, Sweden; MSD, Slovakia; MSD Argentina, Argentina; MSD Belgium, Belgium; MSD Merck Sharp & Dohme, Germany
  • Zepatier 50mg/100mg [+ Elbasvir]
    Merck Sharp & Dohme, Austria; MSD Belgium, Luxembourg
  • Grazyna
    MSD, Japan
  • Zepatier [+ Elbasvir]
    Merck Sharp & Dohme, Portugal; MSD, Switzerland


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld Health Organization

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

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