Synonyms: Leucomycin A3 tartrate;Josamycin tartrate;Leucomycin V, 3-acetate 4(sup B)-(3-methylbutanoate), (R-(R*,R*))-2,3-dihydroxybutanedioate(salt);AC1O63HO;LS-87884;[(2S,3S,4R,6S)-6-[(2R,3S,4R,5R,6S)-6-[[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-acetyloxy-10-hydroxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-1-oxacyclohexadeca-11,13-dien-6-yl]oxy]-4-(dimethylamino)-5-hydroxy-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] 3-methylbutanoate; (2R,3R)-2,3-dihydroxybutanedioic acid;52454-74-7