| gptkbp:instanceOf | gptkb:drug gptkb:aromatase_inhibitor
 
 | 
                        
                            
                                | gptkbp:approvedBy | gptkb:FDA 1996
 
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                                | gptkbp:ATCCode | L02BG04 
 | 
                        
                            
                                | gptkbp:brand | gptkb:Femara 
 | 
                        
                            
                                | gptkbp:CASNumber | gptkb:112809-51-5 
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                                | gptkbp:chemicalClass | gptkb:triazole 
 | 
                        
                            
                                | gptkbp:contraindication | pregnancy pre-menopausal women (for breast cancer)
 
 | 
                        
                            
                                | gptkbp:developedBy | gptkb:Novartis 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Ciba-Geigy 
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                                | gptkbp:eliminationHalfLife | 2 days 
 | 
                        
                            
                                | gptkbp:excretion | urine 
 | 
                        
                            
                                | gptkbp:hasMolecularFormula | C17H11N5 
 | 
                        
                            
                                | gptkbp:KEGGID | D08113 
 | 
                        
                            
                                | gptkbp:legalStatus | prescription only 
 | 
                        
                            
                                | gptkbp:mechanismOfAction | inhibits aromatase enzyme 
 | 
                        
                            
                                | gptkbp:meltingPoint | 184-185°C 
 | 
                        
                            
                                | gptkbp:metabolism | liver 
 | 
                        
                            
                                | gptkbp:pregnancyCategory | X (contraindicated) 
 | 
                        
                            
                                | gptkbp:PubChem_CID | gptkb:CHEMBL960 3902
 DB01006
 
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                                | gptkbp:routeOfAdministration | oral 
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                                | gptkbp:sideEffect | gptkb:bone fatigue
 joint pain
 hot flashes
 
 | 
                        
                            
                                | gptkbp:synonym | gptkb:Femara gptkb:CGS_20267
 
 | 
                        
                            
                                | gptkbp:UNII | T6X3TUE4A8 
 | 
                        
                            
                                | gptkbp:usedFor | gptkb:cancer ovulation induction
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Femara 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | letrozole 
 |