Spiramycin IV ;
(4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-[[3,6-Dideoxy-4-O-(2,6-dideoxy-3-C-methyl-α-L-ribo-hexopyranosyl)-3-(dimethylamino)-β-D-glucopyranosyl]oxy]-4-hydroxy-7-(2-hydroxyethyl)-5-methoxy-9,16-dimethyl-10-[[2,3,4,6-tetradeoxy-4-(dimethylamino)-β-D-erythro-hexopyranosyl]oxy]oxacyclohexadeca-11,13-dien-2-one ;
CAS # 249930-66-3 ;
C43H76N2O14 ;
Mol. Wt.: 845.07 ;