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

Benzyl-[1-(5-benzyloxy-2,4-dimethoxy-3-methyl-phenyl)-meth-(E)-ylidene]-amine

(2aS,4R,8bR)-1-Benzyl-5-hydroxy-6,8-dimethoxy-7-methyl-2-oxo-1,2,2a,3,4,8b-hexahydro-1,3-diaza-cyclobuta[a]naphthalene-4-carboxylic acid methyl ester

(2aS,4R,8bR)-1-Benzyl-5-benzyloxy-4-benzyloxymethyl-6,8-dimethoxy-7-methyl-2a,3,4,8b-tetrahydro-1H-1,3-diaza-cyclobuta[a]naphthalen-2-one