Synonyms: (2r)-2-((5s)-6-{5-((10s,12r)-2-((6s,5r)-5-ethyl-5-hydroxy-6-methylperhydro-2h-pyran-2-yl)-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro(4.1.5.3)pentadec-13-en-9-yl)(1s,2s,3s,5r)-2-hydroxy-1,3-dimethyl-4-oxoheptyl}-5-methylperhydro-2h-pyran-2-yl)butanoic acid