658057-23-9 4,17-Dioxabicyclo[14.1.0]heptadecane-5,9-dione,7,11-dihydroxy-8,8,12,16-tetramethyl-3-(2-methyl-5-benzoxazolyl)-10-(2-propenyl)-, (1S,3S,7S,10R,11S,12S,16R)- 498580-08-8 4,19-Dioxabicyclo[13.3.1]nonadec-12-ene,1,10,11,17,18-pentamethoxy-2,14,16-trimethyl-5-phenyl-,(1R,2R,5S,10S,11R,12E,14S,15S,16R,17S,18R)-