6-Oxogrindelic acid

(-)-6-Oxogrindelic acid

[13S,(-)]-9,13-Epoxy-6-oxolabda-7-ene-15-oic acid

[2R,5S,(-)]-4,4'aα,5,5',6',7',8',8'a-Octahydro-2',5,5',5',8'aβ-pentamethyl-4'-oxospiro[furan-2(3H),1'(4'H)-naphthalene]-5β-acetic acid