| gptkbp:instanceOf | gptkb:bronchodilator gptkb:methylxanthine_drug
 
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                                | gptkbp:ATCCode | R03DA04 
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                                | gptkbp:CASNumber | 58-55-9 
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                                | gptkbp:chemicalFormula | C7H8N4O2 
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                                | gptkbp:color | white 
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                                | gptkbp:contraindication | seizure disorders cardiac arrhythmias
 
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                                | gptkbp:discoveredBy | gptkb:Albrecht_Kossel 
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                                | gptkbp:discoveredIn | 1888 
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                                | gptkbp:drugInteraction | gptkb:phenytoin gptkb:erythromycin
 cimetidine
 ciprofloxacin
 
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                                | gptkbp:eliminationHalfLife | 8 hours (adults) 
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                                | gptkbp:excretion | gptkb:kidney 
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                                | gptkbp:form | crystalline powder 
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                                | gptkbp:foundIn | gptkb:café cocoa beans
 
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                                | gptkbp:hasInChIKey | ZFXYFBGIUFBOJW-UHFFFAOYSA-N 
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                                | gptkbp:hasSMILES | Cn1cnc2c1c(=O)n(C)c(=O)n2 
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                                | gptkbp:IUPACName | 1,3-dimethyl-7H-purine-2,6-dione 
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                                | gptkbp:KEGGID | D08452 
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                                | gptkbp:legalStatus | prescription only (US) 
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                                | gptkbp:mechanismOfAction | gptkb:adenosine_receptor_antagonist gptkb:phosphodiesterase_inhibitor
 
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                                | gptkbp:meltingPoint | 273 °C 
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                                | gptkbp:MeSH_ID | D013736 
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                                | gptkbp:metabolism | liver 
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                                | gptkbp:molecularWeight | 180.164 g/mol 
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                                | gptkbp:pregnancyCategory | C (US) 
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                                | gptkbp:proteinBinding | 40% 
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                                | gptkbp:PubChem_CID | 2153 2065
 CHEMBL154
 DB00277
 
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                                | gptkbp:relatedTo | caffeine theobromine
 
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                                | gptkbp:routeOfAdministration | oral intravenous
 
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                                | gptkbp:sideEffect | gptkb:arrhythmia nausea
 vomiting
 headache
 seizures
 insomnia
 
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                                | gptkbp:solubility | slightly soluble 
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                                | gptkbp:toxicity | narrow therapeutic index 
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                                | gptkbp:UNII | 3G6A5W338E 
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                                | gptkbp:usedFor | treatment of asthma treatment of chronic obstructive pulmonary disease
 
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                                | gptkbp:bfsParent | gptkb:CHEBI:30713 
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                                | gptkbp:bfsLayer | 8 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Theophylline 
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