mixture of 50-95 % of (2R,3aS,5aR,5bS,9S,13S,14R,16aS,16bR)-2-(6-deoxy-2,3,4-tri-O-methyl-α-L-mannopyranosyloxy)-13-(4-dimethylamino-2,3,4,6-tetradeoxy-β-D-erythropyranosyloxy)-9-ethyl-2,3,3a,5a,5b,6,7,9,10,11,12,13,14,15,16a,16b-hexadecahydro-14-methyl-1H-8-oxacyclododeca[b]as-indacene-7,15-dione and 50-5 % (2S,3aR,5aS,5bS,9S,13S,14R,16aS,16bS)-2-(6-deoxy-2,3,4-tri-O-methyl-α-L-mannopyranosyloxy)-13-(4-dimethylamino-2,3,4,6-tetradeoxy-β-D-erythropyranosyloxy)-9-ethyl-2,3,3a,5a,5b,6,7,9,10,11,12,13,14,15,16a,16b-hexadecahydro-4,14-dimethyl-1H-8-oxacyclododeca[b]as-indacene-7,15-dione; [1]
mélange (50-95 %) de: (2R,3aS,5aR,5bS,9S,13S,14R,16aS,16bR)-2-(6-désoxy-2,3,4-tri-O-méthyl-alpha-L-mannopyranosyloxy)-13-(4-diméthylamino-2,3,4,6-tétradésoxy-bêta-D-érythropyranosyloxy)-9-éthyl-2,3a,5a,6,7,9,10,11,12,13,14,15,16a,16b-hexadécahydro-14-méthyl-1H-8-oxacyclododéca[b]as-indacène-7,15-dione et (2R,3aS,5aR,5bS,9S,13S,14R,16aS,16bS)-2-(6-désoxy-2,3,4-tri-O-méthyl-alpha-L-mannopyranosyloxy)-13-(4-diméthylamino-2,3,4,6-tétradésoxy-bêta-D-érythropyranosyloxy)-9-éthyl-2,3,3a,5a,6,7,9,10,11,12,13,14,15,16a,16b-hexadécahydro-4,14-diméthyl-1H-8-oxacyclododéca[b]as-indacène-7,15-dione [1]