Retrorsine N-oxide

Chemical Name: (5R,6S,9a1R,14aR,Z)-3-ethylidene-6-hydroxy-6-(hydroxymethyl)-5-methyl-2,7-dioxo-2,3,4,5,6,7,9,9a1,11,13,14,14a-dodecahydro-12H-[1,6]dioxacyclododecino[2,3,4-gh]pyrrolizine 12-oxide