[(2R,3R,4E,6E,9R,11R,12S,13S,14R)-12-{[3,6-dideoxy-4-O-(2,6-dideoxy-3-C-methyl-alpha-L-ribo-hexopyranosyl)-3-(dimethylamino)-beta-D-galactopyranosyl]oxy}-2-ethyl-14-hydroxy-5,9,13-trimethyl-8,16-dioxo-11-(2-phenoxyethyl)oxacyclohexadeca-4,6-dien-3-yl]meth