pseudapene A

(2R,2′S,3R,3a′S,6a′S)-2′-Methyl-6′-methylen-3-(2-methyl-1-propen-1-yl)hexahydro-4′H-spiro[oxirane-2,1′-pentalen]-4′-on

(2R,2′S,3R,3a′S,6a′S)-2′-Methyl-6′-methylene-3-(2-methyl-1-propen-1-yl)hexahydro-4′H-spiro[oxirane-2,1′-pentalen]-4′-one

(2R,2′S,3R,3a′S,6a′S)-2′-Méthyl-6′-méthylène-3-(2-méthyl-1-propén-1-yl)hexahydro-4′H-spiro[oxirane-2,1′-pentalen]-4′-one

pseudapene A

Spiro[oxirane-2,1′(4′H)-pentalen]-4′-one, hexahydro-2′-methyl-6′-methylene-3-(2-methyl-1-propen-1-yl)-, (2R,2′S,3R,3a′S,6a′S)-