Bicuculline |
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| 6-(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 | |
| Isoquinoline alkaloid from Dicentra cucullaria and other plants that is a competitive antagonist at GABA-A receptors and thus causes convulsions. | |