Bicuculline:（6R）-6-[(5S)-5,6,7,8–Tetrahydro–6–methyl-1,3-dioxolo[4,5–g]isoquinolin–5–yl]furo[3,4-e]-1,3–benzodioxol–8(6H)-one.CASNumber485-49-4MolecularWeight:367.35MolecularFormula:C20H17NO6Occurrence:foundinDicentracucullaria(L.)Bernh.,Adlumiafungosa(Ait.)Greene,Fumariaceae,andseveralCorydalisspecies.Appearance:elongatedplatesfromchloroform-menthanolorpaleyellowcrystallinepowderSolubility:solubleinbenzene,chloroform,ethylacetate.Sparinglysolubleinalcoholandether.Purity:>98%,HPLC)