IUPAC:13-hydroxy-1,4,10,19-tetramethyl-17,18-dioxo-2-(2-oxopropanamido)-16-oxabicyclo[13.2.2]nonadeca-3,5,9,11-tetraen-7-yl acetate
IUPAC:13-hydroxy-1,4,10,19-tetramethyl-17,18-dioxo-2-(2-oxopropanamido)-16-oxabicyclo[13.2.2]nonadeca-3,5,9,11-tetraen-7-yl acetate