92471-87-9 Oxacyclooctadec-9-ene-2,6,12,16-tetrone, 3,8,14-trihydroxy-17-((S)-hydroxy((2R,3R)-2-methyl-3-((1S,2Z)-1-methyl-2-butenyl)oxiranyl)methyl)-4-methoxy-5,7,9,11,15-pentamethyl-, (3R,4S,5S,7R,8R,9E,11S,14S,15R,17R)-