Dirithromycin

(1R,2R,3R,6R,7S,8S,9R,10R,12R,13S,15R,17S) -9-[ (2S,3R,4S,6R) -4- (dimethylamino) -3-hydroxy-6-methyloxan-2-yl]oxy-3-ethyl-2,10-dihydroxy-7-[ (2R,4R,5S,6S) -5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-15- (2-methoxyethoxymethyl) -2,6,8,10,12,17-hexamethyl-4,16-dioxa-14-azabicyclo[11.3.1]heptadecan-5-one

CC[C@@H]1[C@@]([C@H]2[C@H]([C@H]([C@@H](C[C@@]([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]3C[C@@]([C@H]([C@@H](O3)C)O)(C)OC)C)O[C@H]4[C@@H]([C@H](C[C@H](O4)C)N(C)C)O)(C)O)C)N[C@H](O2)COCCOC)C)(C)O