IUPAC:(3R,7R)-3-hydroxy-11-methoxy-6,8,19-trioxapentacyclo[10.7.0.0^{2,9}.0^{3,7}.0^{13,17}]nonadeca-1,4,9,11,13(17)-pentaene-16,18-dione
IUPAC:(3R,7R)-3-hydroxy-11-methoxy-6,8,19-trioxapentacyclo[10.7.0.0^{2,9}.0^{3,7}.0^{13,17}]nonadeca-1,4,9,11,13(17)-pentaene-16,18-dione