(−)-neothionupharidine

(3R,4′R,6S,6″S,9R,9″R,9aS,9a″S)-6,6″-Di(3-furyl)-9,9″-dimethyldodecahydro-2H,2″H-dispiro[quinolizine-3,2′-thiophene-4′,3″-quinolizine]

(3R,4′R,6S,6″S,9R,9″R,9aS,9a″S)-6,6″-Di(3-furyl)-9,9″-dimethyldodecahydro-2H,2″H-dispiro[quinolizine-3,2′-thiophene-4′,3″-quinolizine]

(3R,4′R,6S,6″S,9R,9″R,9aS,9a″S)-6,6″-Di(3-furyl)-9,9″-diméthyldodécahydro-2H,2″H-dispiro[quinolizine-3,2′-thiophene-4′,3″-quinolizine]

(3R,4′R,6S,6″S,9R,9″R,9aS,9a″S)-6,6″-di(furan-3-yl)-9,9″-dimethyldodecahydro-2H,2″H-dispiro[quinolizine-3,2′-thiophene-4′,3″-quinolizine]

(−)-neothionupharidine

Dispiro[2H-quinolizine-3(4H),2′(3′H)-thiophene-4′(5′H),3″(4″H)-[2H]quinolizine], 6,6″-di-3-furanyldodecahydro-9,9″-dimethyl-, (3R,4′R,6S,6″S,9R,9″R,9aS,9a″S)-

neothiobinupharidine

[Wiki]

6,6″-di(3-furyl)-9,9″-dimethyl-(3′R,4′R,6S,6″S,9R,9″R,9aS,9a″S)-dispiro[perhydroquinolizine-3,2′-thiophene-4′,3″-perhydroquinolizine]