115566-02-4 2,17,28-Trioxa-13,26-diazatricyclo(14.7.4.16,9)octacosane-14,25-dione, 6-hydroxy-18-(6-hydroxy-3,5-dimethyl-4-heptenyl)-8,15,23-trimethyl-3-(2-oxo-3-pentenyl)- 2H-Pyran-2-acetamide, tetrahydro-N-(2-hydroxy-4-((3-(8-(6-hydroxy-3,5-dimethyl-4-heptenyl)-3-methyl-1,7-dioxaspiro(5.5)undec-2-yl)propyl)amino)-3-methyl-4-oxobutyl)-3-methyl-6-(2-oxo-3-pentenyl)- Bistramide A Bistratene A