(1S,4aS,8aS)-2-(1,3-dioxolan-2-yl)-1-(hydroxymethyl)-5,5,8a-trimethyl-1,4,4a,5,6,7,8,8a-octahydronaphthalen-1-ol

methyl (4S,4a'S,8a'S)-4'a,5',6',7',8',8'a-hexahydro-5',5',8'a-trimethyl-2-oxospiro[1,3-dioxolane-4,1'(4'H)-naphthalene]-2'-carboxylate

(1'S,4a'S,8a'S)-5',5',8a'-trimethyl-2-oxo-4a',5',6',7',8',8a'-hexahydro-4'H-spiro[[1,3]dioxolane-4,1'-naphthalene]-2'-carboxylic acid

珀勒内 A