(10E, 12E)-(3R,4S,5S,6R,8R,14R,15R)-14-(6-deoxy-2,3-di-O-methyl-b-d-allo-hexopyranosyoxymethyl)-5-(3,6-dideoxy-3-dimethylamino-b-d-gluco-hexapyranosyloxy)-6-[2-(cis-3,5-dimethyl-piperidino)ethyl]-3-hydroxy-4,8,12-trimethyl-9-oxoheptadeca-10,12-dien-15-olide