2-Dibromomethyl-benzoic acid (2R,3R,4R,5R)-5-(6-benzoylamino-purin-9-yl)-4-[(2-chloro-phenoxy)-[1,2,4]triazol-1-yl-phosphinoyloxy]-2-(9-phenyl-9H-xanthen-9-yloxymethyl)-tetrahydro-furan-3-yl ester

ethyl 3,6-di-O-benzyl-2-O-(2-dibromomethyl)benzoyl-4-O-methyl-1-thio-α-D-mannopyranoside