(3a″S,3b″R,4″S,5a″R,9′S,9a′S,10a″R,10b″R,12a″S)-3b″,6″,6″,10a″,12a″-Pentamethyl-3′,8″-dioxo-1′,3a″,3b″,4″,5″,5a″,6″,8″,9a′,10a″,10b″,11″,12″,12a″-tetradecahydro-3″H-dispiro[c yclopropane-1,2′-imidazo[1,2-a]indole-9′,2″-furo[3′,2′:5,6]naphtho[2,1-c]oxepin]-4″-yl acetate

(3a″S,3b″R,4″S,5a″R,9′S,9a′S,10a″R,10b″R,12a″S)-3b″,6″,6″,10a″,12a″-Pentamethyl-3′,8″-dioxo-1′,3a″,3b″,4″,5″,5a″,6″,8″,9a′,10a″,10b″,11″,12″,12a″-tetradecahydro-3″H-dispiro[c yclopropane-1,2′-imidazo[1,2-a]indole-9′,2″-furo[3′,2′:5,6]naphtho[2,1-c]oxepin]-4″-yl acetate

Dispiro[cyclopropane-1,2′(9′H)-[1H]imidazo[1,2-a]indole-9′,2″(3″H)-furo[3′,2′:5,6]naphth[2,1-c]oxepin]-3′,8″(5″H,3′H)-dione, 4″-(acetyloxy)-1′,3″a,3″b,4″,5″a,6″,9′a,10″a,10″b,11″,12″,12′ ′a-dodecahydro-3″b,6″,6″,10″a,12″a-pentamethyl-, (3a″S,3b″R,4″S,5a″R,9′S,9a′S,10a″R,10b″R,12a″S)-

Teraspiridole B