desertomycin A

U 64767, 1012-A

42-(5-Amino-2-hydroxy-1-methylpentyl)-8,10,16,20,24,26,28,30,32,34,36,38-dodecahydroxy-23-(α-D-mannopyranosyloxy)-3,7,9,15,19,21,31,33-octamethyl-1-oxacyclodotetraconta-3,13,17,21,39-penten-2-one