2,10,12,16,18-Nonadecapentaenoic acid, 19-[(2S,3S)-3,6-dihydro-3-methyl-6-oxo-2H-pyran-2-yl]-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-8-oxo-,(2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)- 87081-35-4 AIDS-058214 AIDS058214 Antibiotic CI 940 CI 940 Elactocin LMB Leptomycin B Mantuamycin NSC364372 PD 114720