Synonyms: Oxacyclotetratetraconta-5,7,9,11,13,19,23,35-octaene-2,28-dione,44-[(1E,4R,5E,8R)-11-amino-4,8-dihydroxy-1,5-undecadien-1-yl]-23-(3-buten-1-yl)-26-[(6-deoxy-a-L-mannopyranosyl)oxy]-16,18,30,32,34,38,40,42-octahydroxy-15,17,27-trimethyl-,(5E,7E,9E,11E,13E,16S,17S,18R,19E,23E,32S,34S,35E,38R,40S,42R,44S)-