IUPAC:(11R,15R,17R)-4-hydroxy-17-methyl-12,16-dioxatetracyclo[8.7.0.0^{3,8}.0^{11,15}]heptadeca-1(10),3(8),4,6-tetraene-2,9,13-trione
IUPAC:(11R,15R,17R)-4-hydroxy-17-methyl-12,16-dioxatetracyclo[8.7.0.0^{3,8}.0^{11,15}]heptadeca-1(10),3(8),4,6-tetraene-2,9,13-trione