Imidazole-1-carbothioic acid O-((3R,7S,10R,11R)-3,11-diethyl-10-methoxymethoxy-7-methyl-2-oxo-azacyclotetradec-8-yl) ester

(4R,5R,8S,12R)-1-Azido-12-(tert-butyl-diphenyl-silanyloxymethyl)-4-ethyl-5-methoxymethoxy-8-methyl-tetradecan-7-one

O-[(tert-butyldimethylsilyl)oxy]fluvirucinin B1

(E)-(3R,6R,7R,10S,11R)-3,11-Diethyl-10-hydroxy-7-methyl-2-oxo-azacyclotetradec-8-ene-6-carboxylic acid methyl ester

(3R,6R,7R,10R,11R)-10-(tert-Butyl-dimethyl-silanyloxy)-3,11-diethyl-7-methyl-2-oxo-azacyclotetradecane-6-carboxylic acid methyl ester