(2E,8Z,10E)-12-(tert-butyl-dimethyl-silanyloxy)-9-(2-oxo-oxazolidin-3-yl)-trideca-2,8,10,12-tetraen-1-al

3-((4aS,6aR,7R,7aS,10S,11aS,13R,13aR,13bR)-7-hydroxy-10-methyl-2,3,4,4a,6a,7,7a,8,9,10,11,11a,12,13,13a,13b-hexadecahydro-1H-7,13-methanonaphtho[2',1':4,5]cyclohepta[1,2-b]pyridin-5-yl)oxazolidin-2-one