CAS NO:105900-46-7|Chemical Formula: C37H67NO13|Molecular Weight: 733.93700|Exact Mass: 733.46124|(1RS,2R,3R,6R,7S,8S,9R,10R,12R)-7-[(2,6-dideoxy-3-[(2R,3R)-2,3-dihydroxypentan-2-yl]-1-hydroxy-
2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-4,13-
dioxabicyclo[8.2.1]tridecan-5-one (pseudoerythromycin A hemiketal)