IUPAC:(12R,13S)-3,22-dimethoxy-12,13-dimethyl-5,7,18,20-tetraoxapentacyclo[13.7.0.0^{2,10}.0^{4,8}.0^{17,21}]docosa-1(15),2,4(8),9,16,21-hexaene
IUPAC:(12R,13S)-3,22-dimethoxy-12,13-dimethyl-5,7,18,20-tetraoxapentacyclo[13.7.0.0^{2,10}.0^{4,8}.0^{17,21}]docosa-1(15),2,4(8),9,16,21-hexaene