gelsedine

(2'R,3S)-2'-Ethyl-2',3'β,3'aβ,4',8',8'aβ-hexahydro-1-methoxyspiro[3H-indole-3,7'(6'βH)-[3,6]methano[1H]oxepino[4,3-b]pyrrol]-2(1H)-one