| gptkbp:instanceOf | gptkb:drug gptkb:synthetic_estrogen
 
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                                | gptkbp:ATCCode | G03CA01 
 | 
                        
                            
                                | gptkbp:brand | gptkb:Yaz gptkb:Yasmin
 gptkb:Alesse
 gptkb:Apri
 gptkb:Cilest
 gptkb:Desogen
 gptkb:Estinyl
 gptkb:Femodene
 gptkb:Kariva
 gptkb:Levlen
 gptkb:Mercilon
 gptkb:Microgynon
 gptkb:Mircette
 gptkb:Nordette
 gptkb:Norinyl
 gptkb:Ortho-Novum
 gptkb:Ortho_Tri-Cyclen
 gptkb:Ovral
 gptkb:Qlaira
 gptkb:Seasonique
 gptkb:Sprintec
 gptkb:Tri-Sprintec
 gptkb:TriNessa
 gptkb:Zoely
 gptkb:Zovia
 gptkb:Loestrin
 gptkb:NuvaRing
 gptkb:Marvelon
 gptkb:Evra
 gptkb:Xulane
 
 | 
                        
                            
                                | gptkbp:CASNumber | 57-63-6 
 | 
                        
                            
                                | gptkbp:chemicalFormula | C20H24O2 
 | 
                        
                            
                                | gptkbp:contraindication | gptkb:cancer gptkb:liver_disease
 history of thromboembolic disorders
 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Hans_Herloff_Inhoffen 1938
 
 | 
                        
                            
                                | gptkbp:eliminationHalfLife | 13–27 hours 
 | 
                        
                            
                                | gptkbp:IUPACName | (17α)-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol 
 | 
                        
                            
                                | gptkbp:legalStatus | prescription only 
 | 
                        
                            
                                | gptkbp:mechanismOfAction | estrogen receptor agonist 
 | 
                        
                            
                                | gptkbp:metabolism | liver 
 | 
                        
                            
                                | gptkbp:molecularWeight | 296.4 g/mol 
 | 
                        
                            
                                | gptkbp:pregnancyCategory | X (contraindicated) 
 | 
                        
                            
                                | gptkbp:routeOfAdministration | oral transdermal
 vaginal
 
 | 
                        
                            
                                | gptkbp:sideEffect | nausea headache
 hypertension
 breast tenderness
 increased risk of blood clots
 
 | 
                        
                            
                                | gptkbp:synonym | gptkb:EE gptkb:17α-ethynylestradiol
 ethinylestradiol
 
 | 
                        
                            
                                | gptkbp:used_in | gptkb:oral_contraceptive hormone replacement therapy
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:EC_stack gptkb:Loryna
 gptkb:Vestura
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | ethinyl estradiol 
 |