⚠ Novel chemotype — no close known analogue (best Tanimoto < 0.3). Unexplored chemical space relative to ChEMBL.
Similar compounds — the chemically nearest patent molecules
Nearest neighbours by Morgan-fingerprint cosine across the patent-compound collection, with each neighbour's top predicted target and the predicted targets it shares with this molecule.
| Compound | similarity | top predicted | shared targets | |
|---|---|---|---|---|
| Hydrochloric Acid SCHEMBL506495 | 0.98 | MAOB (0.41) | — | |
| Hydrochloric Acid SCHEMBL29878082 | 0.98 | MAOB (0.41) | — | |
| Hydrochloric Acid SCHEMBL22075665 | 0.98 | KDM1A (0.41) | — | |
| Hydrochloric Acid SCHEMBL14333116 | 0.98 | MAOB (0.41) | — | |
| SCHEMBL3888983 | 0.84 | HRH1 (0.47) | — | |
| SCHEMBL13040129 | 0.83 | — | — | |
| SCHEMBL13040126 | 0.83 | — | — | |
| SCHEMBL13040115 | 0.83 | — | — | |
| SCHEMBL26931374 | 0.81 | CYP2A6 (0.48) | — | |
| SCHEMBL11218925 | 0.79 | HRH1 (0.50) | — |
Similarity is cosine over the 2,048-bit Morgan fingerprint (≈ Tanimoto). Identical fingerprints score 1.00.
Patent provenance — the patents this molecule appears in, and who filed them
Claimed or disclosed in 198 patents — showing the first 20. claimed = in the patent's claims; disclosed = body only.
| Patent | Title | Assignee | Published | Priority | Filing | Country | Status |
|---|---|---|---|---|---|---|---|
| US-8541580-B2 | Process for the preparation of pyrazinone thrombin inhibitor and its intermediates | DIAKRON PHARMACEUTICALS, INC. (US) | 2013-09-24 | — | — | US | claimed |
| EP-2496087-A1 | PROCESS FOR THE PREPARATION OF PYRAZINONE THROMBIN INHIBITOR AND ITS INTERMEDIATES | Diakron Pharmaceuticals, Inc. (US) | 2012-09-12 | — | — | EP | claimed |
| WO-2011056806-A1 | PROCESS FOR THE PREPARATION OF PYRAZINONE THROMBIN INHIBITOR AND ITS INTERMEDIATES | DIAKRON PHARMACEUTICALS, INC. (US) | 2011-05-12 | — | — | WO | claimed |
| US-20110105753-A1 | PROCESS FOR THE PREPARATION OF PYRAZINONE THROMBIN INHIBITOR AND ITS INTERMEDIATES | DIAKRON PHARMACEUTICALS, INC. (US) | 2011-05-05 | — | — | US | claimed |
| EP-3364967-B1 | FERROPORTIN INHIBITORS | VIFOR INT AG (CH) | 2026-05-20 | — | — | EP | disclosed |
| EP-4681712-A2 | PROCESS FOR THE PRODUCTION OF FERROPORTIN INHIBITORS | VIFOR (INTERNATIONAL) AG (CH) | 2026-01-21 | — | — | EP | disclosed |
| EP-4126854-B1 | PROCESS FOR THE PRODUCTION OF FERROPORTIN INHIBITORS | VIFOR INT AG (CH) | 2025-12-03 | — | — | EP | disclosed |
| EP-4651950-A1 | COMPOSITIONS USEFUL FOR MODULATING SPLICING | Skyhawk Therapeutics, Inc. (US) | 2025-11-26 | — | — | EP | disclosed |
| US-20250289792-A1 | 3-AMINO-4H-BENZO[E][1,2,4]THIADIAZINE 1,1-DIOXIDE DERIVATIVES AS INHIBITORS OF MRGX2 | SOLENT THERAPEUTICS LLC (US) | 2025-09-18 | — | — | US | disclosed |
| US-20250281483-A1 | TRANSCRIPTION FACTOR EB ACTIVATORS AND USES THEREOF | Astellas Engineered Small Molecules US, Incorporated | 2025-09-11 | — | — | US | disclosed |
| US-20250170141-A1 | MRGPRX2 MODULATORS AND RELATED METHODS OF TREATMENT | INCYTE CORPORATION | 2025-05-29 | — | — | US | disclosed |
| WO-2025076455-A1 | MRGPRX2 MODULATORS AND RELATED METHODS OF TREATMENT | Escient Pharmaceuticals Inc. (US) | 2025-04-10 | — | — | WO | disclosed |
| EP-1189899-A1 | PYRAZINONE THROMBIN INHIBITORS | Merck & Co., Inc. (US) | 2002-03-27 | — | — | EP | disclosed |
| EP-1189618-A1 | THROMBIN INHIBITORS | Merck & Co., Inc. (US) | 2002-03-27 | — | — | EP | disclosed |
| US-6350745-B1 | DIOXO-(PYRIDOOXAZINE) DERIVATIVES; ANTICOAGULANTS; CARDIOVASCULAR DISORDERS | MERCK & CO., INC. | 2002-02-26 | — | — | US | disclosed |
| US-20020004507-A1 | Pyrazinone thrombin inhibitors | MERCK SHARP & DOHME CORP. | 2002-01-10 | — | — | US | disclosed |
| WO-2001092234-A1 | PYRAZINONE THROMBIN INHIBITORS | MERCK & CO., INC. (US) | 2001-12-06 | — | — | WO | disclosed |
| WO-2001038323-A1 | PYRAZINONE THROMBIN INHIBITORS | MERCK & CO., INC. (US) | 2001-05-31 | — | — | WO | disclosed |
| WO-2000074682-A1 | THROMBIN INHIBITORS | MERCK & CO., INC. (US) | 2000-12-14 | — | — | WO | disclosed |
| WO-2000075134-A1 | PYRAZINONE THROMBIN INHIBITORS | MERCK & CO., INC. (US) | 2000-12-14 | — | — | WO | disclosed |