Synonyms: KabiramideC,O4-acetyl-O21-de(aminocarbonyl)-27-demethoxy-O4,23,26-tridemethyl-6-deoxo-25-deoxy-6-(2,3-dimethoxy-1-oxopropoxy)-27-methyl-25-oxo-;3,7,19,27-Tetraoxa-29,30,31-triazatetracyclo[24.2.1.12,5.16,9]hentriacontane,kabiramide C deriv.; (-)-Ulapualide B; Stereoisomer of3-(acetyloxy)-6-(formylmethylamino)-1-[5-(16-hydroxy-22-methoxy-10,21-dimethyl-12,18-dioxo-3,7,19,27-tetraoxa-29,30,31-triazatetracyclo[24.2.1.12,5.16,9]hentriaconta-2(31),4,6(30),8,24,26(29),28-heptaen-20-yl)-4-methoxy-3-methylpentyl]-2,4-dimethyl-5-hexenyl2,3-dimethoxypropanoate; Ulapualide B