Lirimilast

DB20727ExperimentalSmall molecule

Lirimilast is a small molecule drug. The usage of the INN stem '-milast' in the name indicates that Lirimilast is a Phosphodiesterase-4 (PDE4) inhibitor. Lirimilast has a monoisotopic molecular weight...

Chemical structure of Lirimilast
Formula / weight
C17H12Cl2N2O6S · 443.25 g/mol (avg)

Resolves to

Structure
InChIKeyYPFLFUJKZDAXRA-UHFFFAOYSA-NSMILESCS(=O)(=O)OC1=CC=C2C(OC(C(=O)C3=C(Cl)C=C(Cl)C=C3)=C2NC(N)=O)=C1

What you can answer from here — as of September 23, 2026

3Protein targetsEach mapped to UniProt, with action and pharmacological action
Listed above
3+ReferencesStructured and connected to the statements they support
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Which drugs share a target with Lirimilast, and which of those have an active Phase 3 trial?

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