IUPAC:(1R)-1-[(1R,2R,10R,11S,12S)-5-[(1R,2R,10R,11S,12S)-11-[1-(acetyloxy)ethyl]-2,4,12-trihydroxy-12-methyl-9,14-dioxo-15-oxatetracyclo[8.4.1.0^{1,10}.0^{3,8}]pentadeca-3(8),4,6-trien-5-yl]-2,4,12-trihydroxy-12-methyl-9,14-dioxo-15-oxatetracyclo[8.4.1.0^{1,10}.0^{3,8}]pentadeca-3,5,7-trien-11-yl]ethyl acetate
IUPAC:(1R)-1-[(1R,2R,10R,11S,12S)-5-[(1R,2R,10R,11S,12S)-11-[1-(acetyloxy)ethyl]-2,4,12-trihydroxy-12-methyl-9,14-dioxo-15-oxatetracyclo[8.4.1.0^{1,10}.0^{3,8}]pentadeca-3(8),4,6-trien-5-yl]-2,4,12-trihydroxy-12-methyl-9,14-dioxo-15-oxatetracyclo[8.4.1.0^{1,10}.0^{3,8}]pentadeca-3,5,7-trien-11-yl]ethyl acetate