IUPAC:(1S,12R,20S)-20-methoxy-5,7,11,19-tetraoxapentacyclo[10.8.0.0^{2,10}.0^{4,8}.0^{13,18}]icosa-2,4(8),9,13,15,17-hexaen-16-ol
IUPAC:(1S,12R,20S)-20-methoxy-5,7,11,19-tetraoxapentacyclo[10.8.0.0^{2,10}.0^{4,8}.0^{13,18}]icosa-2,4(8),9,13,15,17-hexaen-16-ol