(4S,5R)-4-(dibenzylamino)-5-methyldihydrofuran-2(3H)-one

(S)-1-((7S,9S,10R)-10-Dibenzylamino-9-methoxy-2,3-dioxo-7-triisopropylsilanyloxy-undecanoyl)-piperidine-2-carboxylic acid methyl ester

(5S,7S,8R)-1-(tert-Butyl-dimethyl-silanyloxy)-8-dibenzylamino-7-methoxy-nonan-5-ol

(13R)-13-methyl-7,12-dihydro-5H-6,13-methanodibenzo[c,f]azocine

(S)-1-((7S,9S,10R)-10-Dibenzylamino-3-hydroxy-9-methoxy-7-triisopropylsilanyloxy-undecanoyl)-piperidine-2-carboxylic acid methyl ester