Known targets — ChEMBL curated mechanism
ABL1ACEACHEACVR1ADRA1AADRA1BADRA1DADRA2AADRA2BADRA2CADRB1ADRB2ADRB3AGTR1ALKAVPR1AAVPR2BCHEBCRCA2CACNA1ACACNA1BCACNA1CCACNA1DCACNA1ECACNA1FCACNA1GCACNA1HCACNA1ICACNA1SCACNA2D1CACNA2D2CACNA2D3CACNA2D4CACNB1CACNB2CACNB3CACNB4CACNG1CACNG2CACNG3CACNG4CACNG5CACNG6CACNG7CACNG8CALCRLCASRCCR5CDK4CDK6CFBCHRM1CHRM2CHRM3CHRM4CHRM5CHRNA1CHRNA3CHRNA7CHRNB1CHRNB4CHRNDCHRNECHRNGCOXFA4COXFA4L2CRBNCSF1RCUL4ACYP19A1DDB1DPP4DRD1DRD2DRD3DRD4EDNRAEGFREML4ERBB2ERBB4ESR1ESR2FGFR1FGFR3FLT1FLT3FLT4GAAGABRA1GABRA2GABRA3GABRA4GABRA5GABRA6GABRB1GABRB2GABRB3GABRDGABREGABRG1GABRG2GABRG3GABRPGABRQGHSRGLAGNRHRGPD2GRIN1GRIN2AGRIN2BGRIN2CGRIN2DGRIN3AGRIN3BGSTP1HCN4HCRTR1HCRTR2HDAC1HDAC10HDAC11HDAC2HDAC3HDAC4HDAC5HDAC6HDAC7HDAC8HDAC9HRH1HRH2HRH3HSD11B1HSP90AA1HSP90AB1HTR1AHTR1BHTR1DHTR1EHTR1FHTR2AHTR2BHTR2CHTR3AHTR3BHTR3CHTR3DHTR3EHTR4HTR5AHTR6HTR7IMPDH1IMPDH2ITGA2BITGB3ITKJAK1JAK2KCNA1KCNA10KCNA2KCNA3KCNA4KCNA5KCNA6KCNA7KCNB1KCNB2KCNC1KCNC2KCNC3KCNC4KCND1KCND2KCND3KCNF1KCNG1KCNG2KCNG3KCNG4KCNH1KCNH2KCNH3KCNH4KCNH5KCNH6KCNH7KCNH8KCNJ2KCNJ3KCNJ5KCNK3KCNK9KCNQ1KCNQ2KCNQ3KCNQ4KCNQ5KCNS1KCNS2KCNS3KCNV1KCNV2KDRKITKLKB1LCKMMAOAMAOBMAPK14METMMP1MMP13MMP7MMP8MT-ND1MT-ND2MT-ND3MT-ND4MT-ND4LMT-ND5MT-ND6NDUFA1NDUFA10NDUFA11NDUFA12NDUFA13NDUFA2NDUFA3NDUFA5NDUFA6NDUFA7NDUFA8NDUFA9NDUFAB1NDUFAF1NDUFAF2NDUFAF3NDUFAF4NDUFB1NDUFB10NDUFB11NDUFB2NDUFB3NDUFB4NDUFB5NDUFB6NDUFB7NDUFB8NDUFB9NDUFC1NDUFC2NDUFS1NDUFS2NDUFS3NDUFS4NDUFS5NDUFS6NDUFS7NDUFS8NDUFV1NDUFV2NDUFV3NR3C1NS5ANTRK1NTRK2NTRK3ODC1OPRD1OPRK1OPRM1P2RY12PAHPARP1PDE3APDE3BPDE4APDE4BPDE4CPDE4DPDE5APDE7APDE7BPDE8APDE8BPDGFRAPDGFRBPIK3CAPIK3CDPNPPOLA1POLA2POLD1POLD2POLD3POLD4POLEPOLE2POLE3PPARGPRIM1PRIM2PRKCAPRKCBPRKCDPRKCEPRKCGPRKCHPRKCIPRKCQPRKCZPRKD1PRKD3PTGS1PTGS2RBX1RENRETROCK1ROCK2RPE65RRM1RRM2RRM2BS1PR1S1PR2S1PR3S1PR4S1PR5SCN10ASCN11ASCN1ASCN2ASCN3ASCN4ASCN5ASCN7ASCN8ASCN9ASCNN1ASCNN1BSCNN1GSIGMAR1SLC18A2SLC6A1SLC6A2SLC6A3SLC6A4SLC9A3SRCTACR1TOP1TOP2ATOP2BTTRTYMPdacAdacBdacCembAfolAftsIgyrAgyrBmrcAmrcBmrdAparCparEpolrplArplBrplCrplDrplErplFrplIrplJrplKrplLrplMrplNrplOrplPrplQrplRrplSrplTrplUrplVrplWrplXrplYrpmArpmBrpmCrpmDrpmErpmE2rpmFrpmGrpmG1rpmG2rpmG3rpmHrpmIrpmJrpsArpsBrpsCrpsDrpsErpsFrpsGrpsHrpsIrpsJrpsKrpsLrpsMrpsNrpsOrpsPrpsQrpsRrpsSrpsTrpsUykgMykgO
The experimentally established mechanism targets of Hydrochloric Acid. The predicted profile below is derived independently by chemical similarity — agreement is a validation signal, a miss is honest.
Predicted protein targets (top 9)
| gene | UniProt | supporting neighbours | confidence | |
|---|---|---|---|---|
| ▸ | MAOA known ✓ | P21397 | 1/20 | 0.31 |
| ▸ | APLNR | P35414 | 1/20 | 0.35 |
| ▸ | CYP1A2 | P05177 | 1/20 | 0.33 |
| ▸ | CYP2E1 | P05181 | 1/20 | 0.33 |
| ▸ | CYP2A6 | P11509 | 1/20 | 0.33 |
| ▸ | CYP2B6 | P20813 | 1/20 | 0.33 |
| ▸ | CYP2C19 | P33261 | 1/20 | 0.33 |
| ▸ | TLR7 | Q9NYK1 | 1/20 | 0.31 |
| ▸ | NOTUM | Q6P988 | 1/20 | 0.31 |
Click a target to see other patent compounds predicted against it — the reverse direction, in place.
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 SCHEMBL16050072 | 1.00 | APLNR (0.35) | APLNRCYP1A2CYP2E1CYP2A6CYP2B6 | |
| SCHEMBL310415 | 0.98 | — | — | |
| SCHEMBL9937577 | 0.82 | NOTUM (0.38) | MAOANOTUM | |
| SCHEMBL20342484 | 0.79 | HRH1 (0.39) | APLNRCYP1A2CYP2A6CYP2C19TLR7 | |
| SCHEMBL13051982 | 0.77 | APLNR (0.39) | APLNRTLR7 | |
| SCHEMBL7072554 | 0.75 | — | — | |
| SCHEMBL13590081 | 0.73 | — | — | |
| SCHEMBL13792007 | 0.73 | — | — | |
| SCHEMBL5523317 | 0.73 | — | — | |
| SCHEMBL17982114 | 0.73 | — | — |
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 12 patents. claimed = in the patent's claims; disclosed = body only.
| Patent | Title | Assignee | Published | Priority | Filing | Country | Status |
|---|---|---|---|---|---|---|---|
| US-12606562-B2 | Pyridopyrimidines derivatives as P2X3 inhibitors | CHIESI FARMACEUTICI S.P.A. (IT) | 2026-04-21 | — | — | US | disclosed |
| US-12466820-B2 | Amino quinazoline derivatives as P2X3 inhibitors | CHIESI FARMACEUTICI S.P.A. (IT) | 2025-11-11 | — | — | US | disclosed |
| EP-4251617-B1 | (AZA)QUINOLINE 4-AMINES DERIVATIVES AS P2X3 INHIBITORS | CHIESI FARM SPA (IT) | 2025-03-12 | — | — | EP | disclosed |
| US-20230416233-A1 | (AZA)QUINOLINE 4-AMINES DERIVATIVES AS P2X3 INHIBITORS | CHIESI FARMACEUTICI S.P.A. (IT) | 2023-12-28 | — | — | US | disclosed |
| EP-4251617-A1 | (AZA)QUINOLINE 4-AMINES DERIVATIVES AS P2X3 INHIBITORS | Chiesi Farmaceutici S.p.A. (IT) | 2023-10-04 | — | — | EP | disclosed |
| US-20230212169-A9 | PYRIDOPYRIMIDINES DERIVATIVES AS P2X3 INHIBITORS | CHIESI FARMACEUTICI S.P.A. (IT) | 2023-07-06 | — | — | US | disclosed |
| US-20220235060-A1 | PYRIDOPYRIMIDINES DERIVATIVES AS P2X3 INHIBITORS | CHIESI FARM SPA (IT) | 2022-07-28 | — | — | US | disclosed |
| US-20220227749-A1 | AMINO QUINAZOLINE DERIVATIVES AS P2X3 INHIBITORS | CHARLES RIVER LABORATORIES, INC. | 2022-07-21 | — | — | US | disclosed |
| WO-2022112491-A1 | (AZA)QUINOLINE 4-AMINES DERIVATIVES AS P2X3 INHIBITORS | CHIESI FARMACEUTICI S.P.A. (IT) | 2022-06-02 | — | — | WO | disclosed |
| EP-3976180-A1 | AMINO QUINAZOLINE DERIVATIVES AS P2X3 INHIBITORS | Chiesi Farmaceutici S.p.A. (IT) | 2022-04-06 | — | — | EP | disclosed |
| EP-3976609-A1 | PYRIDOPYRIMIDINES DERIVATIVES AS P2X3 INHIBITORS | Chiesi Farmaceutici S.p.A. (IT) | 2022-04-06 | — | — | EP | disclosed |
| WO-2020239953-A1 | PYRIDOPYRIMIDINES DERIVATIVES AS P2X3 INHIBITORS | CHIESI FARMACEUTICI S.P.A. (IT) | 2020-12-03 | — | — | WO | disclosed |
Patent text — is the patent's own abstract consistent with the prediction?
For each of this compound's patents that has machine-readable text (6 of them — usually the abstract, not the full specification), we ask MedCPT which protein the text reads most about, and where the chemistry-predicted target lands among 4885 human targets. A high rank means the patent's own wording is consistent with the prediction — a weak, independent signal, not proof of activity.
| Patent | Title | Text reads most about | Predicted target · text-rank |
|---|---|---|---|
| US-20220227749-A1 | AMINO QUINAZOLINE DERIVATIVES AS P2X3 INHIBITORS | P2RX3, P2RX5, P2RX1 | MAOA 2001/4885APLNR 593/4885CYP1A2 1183/4885 |
| US-20220235060-A1 | PYRIDOPYRIMIDINES DERIVATIVES AS P2X3 INHIBITORS | P2RX3, P2RX5, P2RX1 | MAOA 1359/4885APLNR 1444/4885CYP1A2 674/4885 |
| US-12606562-B2 | Pyridopyrimidines derivatives as P2X3 inhibitors | P2RX3, P2RX1, P2RX2 | MAOA 1136/4885APLNR 1766/4885CYP1A2 778/4885 |
| US-12466820-B2 | Amino quinazoline derivatives as P2X3 inhibitors | P2RX3, P2RX5, P2RX1 | MAOA 2001/4885APLNR 593/4885CYP1A2 1183/4885 |
| US-20230416233-A1 | (AZA)QUINOLINE 4-AMINES DERIVATIVES AS P2X3 INHIBITORS | P2RX3, P2RX5, P2RX1 | MAOA 389/4885APLNR 665/4885CYP1A2 689/4885 |
| US-20230212169-A9 | PYRIDOPYRIMIDINES DERIVATIVES AS P2X3 INHIBITORS | P2RX3, P2RX5, P2RX1 | MAOA 1359/4885APLNR 1444/4885CYP1A2 674/4885 |
“Text reads most about” is the patent abstract's nearest protein in MedCPT space (background-debiased). Only ~1.4% of patents have machine-readable text, so most compounds won't have this panel.