N-(tert-butoxycarbonyl)-1,5-dideoxy-1,5-imino-4,6-O-(4-methoxybenzylidene)-D-glucitol

2-benzoyl-N-(tert-butoxycarbonyl)-1,5-dideoxy-1,5-imino-4,6-O-(4-methoxybenzylidene)-D-glucitol