IUPAC:(3S,7R)-11-methoxy-6,8,16,20-tetraoxapentacyclo[10.8.0.0^{2,9}.0^{3,7}.0^{13,18}]icosa-1,4,9,11,13(18)-pentaene-17,19-dione
IUPAC:(3S,7R)-11-methoxy-6,8,16,20-tetraoxapentacyclo[10.8.0.0^{2,9}.0^{3,7}.0^{13,18}]icosa-1,4,9,11,13(18)-pentaene-17,19-dione