(S)-3-[5-(tert-Butyl-dimethyl-silanyloxy)-2,4-dimethoxy-3-methyl-phenyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-propionic acid

(6S,9R,14aS,15R)-10-(allyloxy)-9-((allyloxy)methyl)-1-hydroxy-2,4,11,13-tetramethoxy-3,12,16-trimethyl-5,6,9,14,14a,15-hexahydro-7H-6,15-epiminobenzo[4,5]azocino[1,2-b]isoquinolin-7-one

(6S,9R,14aS,15R)-10-(allyloxy)-9-((allyloxy)methyl)-1-hydroxy-2,4,11,13-tetramethoxy-3,12-dimethyl-5,6,9,14,14a,15-hexahydro-7H-6,15-epiminobenzo[4,5]azocino[1,2-b]isoquinolin-7-one

(1R,3S,6R,11aS)-7-Allyloxy-6-allyloxymethyl-3-[5-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethoxy-3-methyl-benzyl]-1-hydroxy-8,10-dimethoxy-9-methyl-4-oxo-1,3,4,6,11,11a-hexahydro-pyrazino[1,2-b]isoquinoline-2-carboxylic acid tert-butyl ester