(3E,5S)-3-[[(1R,2R,4aS,6R,8aR)-1,6-Dimethyl-2-pentyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl](hydroxy)methylene]-5-(hydroxymethyl)-1-methylpyrrolidine-2,4-dione AIDS-043940 AIDS043940