Spiramycin III

Chemical Name: (4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-(((2S,3R,4R,5S,6R)-5-(((2S,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-10-(((2R,5S,6R)-5-(dimethylamino)-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)oxacyclohexadeca-11,13-dien-4-yl propionate

Smile: O[C@H]1[C@](O[C@H](C)[C@@H](O[C@@](O[C@@H](C)[C@@H]2O)([H])C[C@]2(O)C)[C@@H]1N(C)C)([H])O[C@@H]([C@H](C[C@H]([C@H](/C=C/C=C/C3)O[C@](CC[C@@H]4N(C)C)([H])O[C@@H]4C)C)CC=O)[C@H]([C@](CC(O[C@@H]3C)=O)([H])OC(CC)=O)OC