(2R,3aS,12cS)-2-({(1S,2R,5R,6R,9R,10R,13S,15S)-5-[(2R,5R)-5,6-Dimethyl-3-hepten-2-yl]-6,10-dimethyl-16,17-dioxapentacyclo[13.2.2.0~1,9~.0~2,6~.0~10,15~]nonadec-18-en-13-yl}oxy)-8-hydroxy-6,11-dimethox y-1,2,3a,12c-tetrahydro-7H-furo[3′,2′:4,5]furo[2,3-c]xanthen-7-one

(2R,3aS,12cS)-2-({(1S,2R,5R,6R,9R,10R,13S,15S)-5-[(2R,5R)-5,6-Dimethyl-3-hepten-2-yl]-6,10-dimethyl-16,17-dioxapentacyclo[13.2.2.0~1,9~.0~2,6~.0~10,15~]nonadec-18-en-13-yl}oxy)-8-hydroxy-6,11-dimethox y-1,2,3a,12c-tetrahydro-7H-furo[3′,2′:4,5]furo[2,3-c]xanthen-7-on

(2R,3aS,12cS)-2-({(1S,2R,5R,6R,9R,10R,13S,15S)-5-[(2R,5R)-5,6-Dimethyl-3-hepten-2-yl]-6,10-dimethyl-16,17-dioxapentacyclo[13.2.2.0~1,9~.0~2,6~.0~10,15~]nonadec-18-en-13-yl}oxy)-8-hydroxy-6,11-dimethox y-1,2,3a,12c-tetrahydro-7H-furo[3′,2′:4,5]furo[2,3-c]xanthen-7-one

(2R,3aS,12cS)-2-({(1S,2R,5R,6R,9R,10R,13S,15S)-5-[(2R,5R)-5,6-Diméthyl-3-heptén-2-yl]-6,10-diméthyl-16,17-dioxapentacyclo[13.2.2.0~1,9~.0~2,6~.0~10,15~]nonadéc-18-én-13-yl}oxy)-8-hydroxy-6,11-diméthox y-1,2,3a,12c-tétrahydro-7H-furo[3′,2′:4,5]furo[2,3-c]xanthén-7-one

7H-Furo[3′,2′:4,5]furo[2,3-c]xanthen-7-one, 2-[[(1R,3aR,3bS,5aS,7S,9aR,9bR,11aR)-2,3,3a,6,7,8,9,9a,9b,10,11,11a-dodecahydro-9a,11a-dimethyl-1-[(1R,4R)-1,4,5-trimethyl-2-hexen-1-yl]-3b,5a-etheno-1H-ben z[c]indeno[5,4-e][1,2]dioxin-7-yl]oxy]-1,2,3a,12c-tetrahydro-8-hydroxy-6,11-dimethoxy-, (2R,3aS,12cS)-

asperversin A