7-cyano-6,7,9,14,14a,15-hexahydro-9-(hydroxymethyl)-2,11-dimethoxy-3,12,16-trimethyl-(6S,7R,9R,14aS,15R)-(-)-6,15-imino-4H-isoquino[3,2-b][3]benzazocine-1,4,10,13(5H)-tetrone

{(S)-2-((1R,3S)-8-Allyloxy-1-allyloxymethyl-3-hydroxymethyl-5,7-dimethoxy-6-methyl-3,4-dihydro-1H-isoquinolin-2-yl)-1-[5-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethoxy-3-methyl-benzyl]-2-oxo-ethyl}-carbamic acid tert-butyl ester

{2-[8-allyloxy-1-allyloxymethyl-3-(tert-butyl-dimethyl-silanyloxymethyl)-5,7-dimethoxy-6-methyl-3,4-dihydro-1H-isoquinolin-2-yl]-1-[5-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethoxy-3-methyl-benzyl]-2-oxo-ethyl}-carbamic acid tert-butyl ester

(1R,3S)-8-Allyloxy-1-allyloxymethyl-3-(tert-butyl-dimethyl-silanyloxymethyl)-5,7-dimethoxy-6-methyl-1,2,3,4-tetrahydro-isoquinoline

(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

(1R,3S)-8-Allyloxy-1-allyloxymethyl-3-(tert-butyl-dimethyl-silanyloxymethyl)-5,7-dimethoxy-6-methyl-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester

(S)-1-[(1R,3S)-8-Allyloxy-1-allyloxymethyl-3-(tert-butyl-dimethyl-silanyloxymethyl)-5,7-dimethoxy-6-methyl-3,4-dihydro-1H-isoquinolin-2-yl]-2-amino-3-[5-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethoxy-3-methyl-phenyl]-propan-1-one

(1R,3S,6R,11aS)-7-Allyloxy-6-allyloxymethyl-1-hydroxy-3-(5-hydroxy-2,4-dimethoxy-3-methyl-benzyl)-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

(1R,3S)-3-(tert-Butyl-dimethyl-silanyloxymethyl)-8-hydroxy-1-hydroxymethyl-5,7-dimethoxy-6-methyl-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester