IUPAC:2-[(2E)-4-{7-[(5E)-5-[carboxy(4-hydroxyphenyl)methylidene]-4-hydroxy-2-oxo-2,5-dihydrofuran-3-yl]-12-hydroxy-3,4-dioxo-2-oxatricyclo[7.3.1.0^{5,13}]trideca-1(12),5(13),6,8,10-pentaen-10-yl}-3-hydroxy-5-oxo-2,5-dihydrofuran-2-ylidene]-2-(4-hydroxyphenyl)acetic acid
IUPAC:2-[(2E)-4-{7-[(5E)-5-[carboxy(4-hydroxyphenyl)methylidene]-4-hydroxy-2-oxo-2,5-dihydrofuran-3-yl]-12-hydroxy-3,4-dioxo-2-oxatricyclo[7.3.1.0^{5,13}]trideca-1(12),5(13),6,8,10-pentaen-10-yl}-3-hydroxy-5-oxo-2,5-dihydrofuran-2-ylidene]-2-(4-hydroxyphenyl)acetic acid