IUPAC:(1S,2S,4S,6R,7S,9R,13R,17S)-15-methoxy-2,6,14,17-tetramethyl-3,11,16-trioxo-10-oxatetracyclo[7.7.1.0^{2,7}.0^{13,17}]heptadec-14-en-4-yl acetate
IUPAC:(1S,2S,4S,6R,7S,9R,13R,17S)-15-methoxy-2,6,14,17-tetramethyl-3,11,16-trioxo-10-oxatetracyclo[7.7.1.0^{2,7}.0^{13,17}]heptadec-14-en-4-yl acetate