SCHEMBL51552

SCHEMBL51552

O=C1N=NCc2ccccc21

nearest known ligand 0.41

Predicted protein targets (top 20)

geneUniProtsupporting neighboursconfidence
MAOA P21397 3/20 0.41
CES1 P23141 2/20 0.41
TSHR P16473 1/20 0.41
MAOB P27338 2/20 0.39
BCHE P06276 1/20 0.39
ACHE P22303 2/20 0.38
KMT2A Q03164 2/20 0.38
CA12 O43570 1/20 0.38
CA9 Q16790 1/20 0.38
CYP2A6 P11509 1/20 0.38
CYP1A2 P05177 2/20 0.36
PDPK1 O15530 1/20 0.35
PARP1 P09874 1/20 0.35
PARP10 Q53GL7 1/20 0.35
PARP11 Q9NR21 1/20 0.35
TDP2 O95551 1/20 0.35
CASP3 P42574 1/20 0.35
CASP7 P55210 1/20 0.35
CASP9 P55211 1/20 0.35
CASP6 P55212 1/20 0.35

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.

Compoundsimilaritytop predictedshared targets
Water SCHEMBL3663798 0.98 MAOA (0.40) MAOACES1TSHRMAOBBCHE
SCHEMBL11516879 0.98 MAOA (0.40) MAOACES1TSHRMAOBBCHE
SCHEMBL11690364 0.98 MAOA (0.40) MAOACES1TSHRMAOBBCHE
SCHEMBL11519242 0.98 MAOA (0.40) MAOACES1TSHRMAOBBCHE
Hydrochloric Acid SCHEMBL8208617 0.98 TSHR (0.44) MAOACES1TSHRMAOBBCHE
SCHEMBL11519403 0.98 MAOA (0.40) MAOACES1TSHRMAOBBCHE
SCHEMBL4386410 0.98 MAOA (0.40) MAOACES1TSHRMAOBBCHE
Bicarbonate SCHEMBL10507777 0.92 TSHR (0.40) MAOACES1TSHRMAOBBCHE
Phenyl(Phenylsulfonyl)Amine SCHEMBL3097911 0.79 KEAP1 (0.54) KMT2ACA12CA9MEN1ALDH1A1
SCHEMBL61808 0.77 MAOA (0.44) MAOACES1TSHRMAOBBCHE

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

Appears in 5855 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:

PatentTitleAssigneePublishedPriorityFilingCountryStatus
CN-122080002-A Phthalazinone compound and preparation method and application thereof 2026-05-26 CN claimed
EP-4722203-A1 3,4-DIHYDROPHTHALAZIN-1(2H)-ONE DERIVATIVE, AND PREPARATION METHOD THEREFOR AND USE THEREOF Academy of Military Medical Sciences (CN) 2026-04-08 EP claimed
EP-3504196-B1 PROCESSES FOR PREPARING OLAPARIB SCINOPHARM TAIWAN LTD (TW) 2026-04-08 EP claimed
EP-4713509-A1 PROTON EXCHANGE MEMBRANE AND CATALYST-COATED PROTON EXCHANGE MEMBRANE UOP LLC (US) 2026-03-25 EP claimed
EP-4709906-A1 COMPOSITE PROTON EXCHANGE MEMBRANE AND CATALYST-COATED COMPOSITE PROTON EXCHANGE MEMBRANE UOP LLC (US) 2026-03-18 EP claimed
US-20260060970-A1 Use of a Therapeutic Agent with Phosphodiesterase-7 Inhibitory Activity for the Treatment and Prevention of Diseases Associated with Chronic Fatigue, Exhaustion and/or Exertional Intolerance MITODICURE GMBH (DE) 2026-03-05 US claimed
US-12553107-B2 Method for catalyst recovery from catalyst-coated membranes UOP LLC (US) 2026-02-17 US claimed
EP-4678638-A1 NEW E3 UBIQUITIN LIGASE LIGAND, PROTEIN DEGRADATION AGENT AND USE THEREOF Gluetacs Therapeutics (Shanghai) Co., Ltd. (CN) 2026-01-14 EP claimed
EP-4653437-A2 NOVEL HETEROCYCLIC COMPOUNDS Innovo Therapeutics Inc. (KR) 2025-11-26 EP claimed
US-20250316736-A1 POLYELECTROLYTE MULTILAYER COATED PROTON EXCHANGE MEMBRANE FOR ELECTROLYSIS AND FUEL CELL APPLICATIONS UOP LLC 2025-10-09 US claimed
US-4140532-A ORGANIC SILVER SALT, CATALYST, REDUCING AGENT, 2H-1,3-BENZOTHIAZIN-2,4(3H-)DIONE FUJI PHOTO FILM CO., LTD. (JP) 1979-02-20 US claimed
US-4125403-A ORGANIC SILVER SALT, SILVER HALIDE, REDUCING AGENT, PHTHALAZINONE, AND A BENZOXAZINEDIONE OR QUINAZOLINEDIONE FUJI PHOTO FILM CO., LTD. 1978-11-14 US claimed
US-4096143-A Process for producing phthalazinone and derivatives of the same FUJI PHOTO FILM CO., LTD. (JA) 1978-06-20 US claimed
US-4081279-A Photothermographic materials containing radiation sensitive quinone compounds and nitrobenzylidene dyes EASTMAN KODAK COMPANY (US) 1978-03-28 US claimed
US-4076534-A Heat developable light-sensitive material FUJI PHOTO FILM CO., LTD. (JA) 1978-02-28 US claimed
US-4038083-A NON-PHOTOSENSITIVE SILVER SALT AND A PHTHALAZINONE AGFA-GEVAERT N.V. (BE) 1977-07-26 US claimed
US-4013473-A THERMOGRAPHY, SUBSTITUTED PHENOL REDUCING AGENT AGFA-GEVAERT N.V. (BE) 1977-03-22 US claimed
US-3985565-A Photothermographic, composition using a phenolic leuco dye as a reducing agent EASTMAN KODAK COMPANY (US) 1976-10-12 US claimed
US-3960908-A AQUEOUS EMULSIONS CONTAINING SILVER SALT, SALT OF CARBOXYLIC ACID AND SOLVENT FUJI PHOTO FILM CO., LTD. (JA) 1976-06-01 US claimed
US-3933508-A ORGANIC SILVER SALT, SILVER HALIDE, REDUCING AGENT, BINDER FUJI PHOTO FILM CO., LTD. (JA) 1976-01-20 US claimed