Synonyms: | 6H-6a,9-Methano-2H,12H-cyclohepta[4,5]pyrano[3,2-e]furo[2,3,4-cd]isobenzofuran,enmein deriv.; (1S*,2S*,5R*,8S*,11S*,14R*,17S*,20R*)-14-Methyl-6-methylene-10,16,18-trioxahexacyclo[12.5.1.15,8.01,11.02,8.017,20]heneicosane-7,9-dione;Macrocalyxoformin B |