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more general categories information about this item 03. Biological Effects of Specific Chemicals 03. Biological Effects of Specific Chemicals biochemical uses [CHEBI:52206] (3306) enzyme inhibitor [CHEBI:23924] (825) aromatase inhibitor [CHEBI:50790] (6) letrozole [CHEBI:6413] (1) 05. Industrial Uses 05. Industrial Uses pharmaceutical [CHEBI:52217] (1978) drug [CHEBI:23888] (1930) antineoplastic agent [CHEBI:35610] (760) letrozole [CHEBI:6413] (1) 08. Chemical Category 08. Chemical Category main group molecular entity [CHEBI:33579] (25650) s-block molecular entity [CHEBI:33674] (7287) hydrogen molecular entity [CHEBI:33608] (6932) hydrides [CHEBI:33692] (1374) organic hydride [CHEBI:37175] (1178) organic fundamental parent [CHEBI:33245] (1178) heterocyclic organic fundamental parent [CHEBI:35552] (537) mancude organic heterocyclic parent [CHEBI:35571] (481) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organic mancude parent [CHEBI:35573] (488) mancude organic heterocyclic parent [CHEBI:35571] (481) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) p-block molecular entity [CHEBI:33675] (25343) pnictogen molecular entity [CHEBI:33302] (10027) nitrogen molecular entity [CHEBI:51143] (7930) organonitrogen compound [CHEBI:35352] (6705) cyanides [CHEBI:23424] (120) nitrile [CHEBI:18379] (117) letrozole [CHEBI:6413] (1) organonitrogen heterocyclic compound [CHEBI:38101] (3202) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) carbon group molecular entity [CHEBI:33582] (23847) organic molecular entity [CHEBI:50860] (23769) organic fundamental parent [CHEBI:33245] (1178) heterocyclic organic fundamental parent [CHEBI:35552] (537) mancude organic heterocyclic parent [CHEBI:35571] (481) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organic mancude parent [CHEBI:35573] (488) mancude organic heterocyclic parent [CHEBI:35571] (481) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) heteroorganic entity [CHEBI:33285] (15197) organic heterocyclic compound [CHEBI:24532] (5243) organic heteromonocyclic compound [CHEBI:25693] (2004) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) heteroarene [CHEBI:33833] (1648) monocyclic heteroarene [CHEBI:38179] (375) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organonitrogen heterocyclic compound [CHEBI:38101] (3202) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organonitrogen compound [CHEBI:35352] (6705) cyanides [CHEBI:23424] (120) nitrile [CHEBI:18379] (117) letrozole [CHEBI:6413] (1) organonitrogen heterocyclic compound [CHEBI:38101] (3202) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organic molecule [CHEBI:72695] (11399) organic cyclic compound [CHEBI:33832] (7633) organic heterocyclic compound [CHEBI:24532] (5243) organic heteromonocyclic compound [CHEBI:25693] (2004) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) heteroarene [CHEBI:33833] (1648) monocyclic heteroarene [CHEBI:38179] (375) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organonitrogen heterocyclic compound [CHEBI:38101] (3202) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organic aromatic compound [CHEBI:33659] (3593) heteroarene [CHEBI:33833] (1648) monocyclic heteroarene [CHEBI:38179] (375) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) mancude ring [CHEBI:35568] (488) organic mancude parent [CHEBI:35573] (488) mancude organic heterocyclic parent [CHEBI:35571] (481) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) polyatomic entity [CHEBI:36357] (18777) molecule [CHEBI:25367] (11520) cyclic compound [CHEBI:33595] (7817) aromatic compound [CHEBI:33655] (3799) organic aromatic compound [CHEBI:33659] (3593) heteroarene [CHEBI:33833] (1648) monocyclic heteroarene [CHEBI:38179] (375) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) monocyclic compound [CHEBI:33661] (2007) heteromonocyclic compound [CHEBI:33670] (2004) organic heteromonocyclic compound [CHEBI:25693] (2004) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organic cyclic compound [CHEBI:33832] (7633) organic heterocyclic compound [CHEBI:24532] (5243) organic heteromonocyclic compound [CHEBI:25693] (2004) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) heteroarene [CHEBI:33833] (1648) monocyclic heteroarene [CHEBI:38179] (375) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organonitrogen heterocyclic compound [CHEBI:38101] (3202) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organic aromatic compound [CHEBI:33659] (3593) heteroarene [CHEBI:33833] (1648) monocyclic heteroarene [CHEBI:38179] (375) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) heterocyclic compound [CHEBI:5686] (5275) organic heterocyclic compound [CHEBI:24532] (5243) organic heteromonocyclic compound [CHEBI:25693] (2004) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) heteroarene [CHEBI:33833] (1648) monocyclic heteroarene [CHEBI:38179] (375) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organonitrogen heterocyclic compound [CHEBI:38101] (3202) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) heteromonocyclic compound [CHEBI:33670] (2004) organic heteromonocyclic compound [CHEBI:25693] (2004) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organic molecule [CHEBI:72695] (11399) organic cyclic compound [CHEBI:33832] (7633) organic heterocyclic compound [CHEBI:24532] (5243) organic heteromonocyclic compound [CHEBI:25693] (2004) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) heteroarene [CHEBI:33833] (1648) monocyclic heteroarene [CHEBI:38179] (375) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organonitrogen heterocyclic compound [CHEBI:38101] (3202) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organic aromatic compound [CHEBI:33659] (3593) heteroarene [CHEBI:33833] (1648) monocyclic heteroarene [CHEBI:38179] (375) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) heteroatomic molecular entity [CHEBI:37577] (13672) hydrides [CHEBI:33692] (1374) organic hydride [CHEBI:37175] (1178) organic fundamental parent [CHEBI:33245] (1178) heterocyclic organic fundamental parent [CHEBI:35552] (537) mancude organic heterocyclic parent [CHEBI:35571] (481) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) organic mancude parent [CHEBI:35573] (488) mancude organic heterocyclic parent [CHEBI:35571] (481) mancude organic heteromonocyclic parent [CHEBI:35555] (392) azole [CHEBI:68452] (357) triazoles [CHEBI:35727] (30) letrozole [CHEBI:6413] (1) ChEBI Compound Accession Identifier: [CHEBI:6413] ChEBI Compound Description: null ChEBI Compound Identification Number: 6413 ChEBI InChI Value: InChI=1S/C17H11N5/c18-9-13-1-5-15(6-2-13)17(22-12-20-11-21-22)16-7-3-14(10-19)4-8-16/h1-8,11-12,17H ChEBI InChIKey Value: HPJKCIUCZWXJDR-UHFFFAOYSA-N ChEBI Compound Name: letrozole ChEBI SMILES Value: N#Cc1ccc(cc1)C(c1ccc(cc1)C#N)n1cncn1 ChEBI Substance ID: 56352886 ChEBI URL: ChEBI:6413 ChemSpider ID: NS Ontomatica Chemical Accession Key (OnChAKey): HPJKCIUCZWXJDR_UHFFFAOYSA_N_000_000000 PubChem Compound ID: 3902