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

{(S)-2-((1R,3S)-8-Allyloxy-1-allyloxymethyl-3-formyl-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}-methyl-carbamic acid 9H-fluoren-9-ylmethyl ester