SimethiconeMagnesium OxideDimethylpolysiloxanesSilicic AcidAluminum HydroxideAntacidsSiliconesMercaptoethylaminesSpermidine SynthaseEsophagitis, PepticPolyaminesSpermine SynthaseSodium OxybateCyclohexylaminesNeutral GlycosphingolipidsGABA-B Receptor AgonistsCadaverineSpermidineSpermineOrganophosphorus CompoundsMagnesium SilicatesSilanesSilicon DioxideGABA-B Receptor AntagonistsAdenosylmethionine DecarboxylasePropylaminesReceptors, GABA-BDiaminesEflornithineRadiation-Protective AgentsBaclofenPutrescineGABA AgonistsS-AdenosylmethionineMolecular StructureNucleic Acid DenaturationChromatography, High Pressure LiquidMagnetic Resonance SpectroscopyDNADose-Response Relationship, Drug