2,10,12,16,18-Nonadecapentaenoic acid, 17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-8-oxo-19-[(2R,3S)-tetrahydro-3-methyl-4-(nitromethyl)-6-oxo-2H-pyran-2-yl]-, methyl ester, (2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)- AIDS-030960 AIDS030960 Leptomycin B derivative