Leucomycin A4;Leucomycin V 3-acetate 4''-butanoate;Leukomycin A4;KitasaMycin A4;(4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-(Acetyloxy)-6-[[3,6-dideoxy-4-O-(2,6-dideoxy-4-O-butanoyl-3-C-methyl-α-L-ribo-hexopyranosyl)-3-(dimethylamino)-β-D-glucopyranosyl]oxy]-10-hydroxy-5-methoxy-9,16-dimethyl-7-(2-oxoethyl)oxacyclohexadeca-11,13-dien-2-one;Leucomycin V, 3-acetate 4B-butanoate;Josamycin EP Impurity A (Leucomycin A4)
