Similar names: [1,6]Dioxacyclododecino[2,3,4-gh]pyrrolizine-2,7-dione, 3-ethylidene-3,4,5,6,9,11,13,14,14a,14b-decahydro-6-hydroxy-6-methyl-5-methylene-, 12-oxide, (3Z,6R,14aR,14bR)-; Senecionan-11,16-dione, 13,19-didehydro-12-hydroxy-, 4-oxide; Seneciphylline N-oxide (6CI); Seneciophylline N-oxide; Seneciphylline oxide; [1,6]Dioxacyclododecino[2,3,4-gh]pyrrolizine-2,7-dione, 3-ethylidene-3,4,5,6,9,11,13,14,14a,14b-decahydro-6-hydroxy-6-methyl-5-methylene-, 12-oxide, (3Z,6R,14aR,14bR)-[partial]-