2-PROPEN-1-YL (1R,2R,4R,5S)-4-CYANO-2-((((1,1-DIMETHYLETHYL)DIMETHYLSILYL)OXY)METHYL)-1,2,3,4,5,6-HEXAHYDRO-3-((1R)-2-HYDROXY-1-(6-(METHOXYMETHOXY)-7-METHYL-1,3-BENZODIOXOL-4-YL)ETHYL)-9-METHOXY-8-METHYL-10-(2-PROPEN-1-YLOXY)-1,5-IMINO-3-BENZAZOCINE-11-CARBOXYLATE