Synonyms: Senecionan-11,16-dione,12-hydroxy-, 4-oxide; NSC 106677; Senecionine N-oxide; Senecionine 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-5,6-dimethyl-,12-oxide, (3Z,5R,6R,14aR,14bR)-[partial]-