3-{[(1R,1′R,2S,3aR,3a′R,5R,7′R,7aS,7a′R)-1′-{(2R)-1-[(2S)-3,4-Dimethyl-5-oxo-2,5-dihydro-2-furanyl]-2-propanyl}-2,7′-dihydroxy-3a′,4,4,7a,7a′-pentamethyl-4′-oxohexadecahydro-1,5′-spirobi[inden]-5-yl]o xy}-3-oxopropanoic acid

3-{[(1R,1′R,2S,3aR,3a′R,5R,7′R,7aS,7a′R)-1′-{(2R)-1-[(2S)-3,4-Dimethyl-5-oxo-2,5-dihydro-2-furanyl]-2-propanyl}-2,7′-dihydroxy-3a′,4,4,7a,7a′-pentamethyl-4′-oxohexadecahydro-1,5′-spirobi[inden]-5-yl]o xy}-3-oxopropanoic acid

3-{[(1R,1′R,2S,3aR,3a′R,5R,7′R,7aS,7a′R)-1′-{(2R)-1-[(2S)-3,4-Dimethyl-5-oxo-2,5-dihydro-2-furanyl]-2-propanyl}-2,7′-dihydroxy-3a′,4,4,7a,7a′-pentamethyl-4′-oxohexadecahydro-1,5′-spirobi[inden]-5-yl]o xy}-3-oxopropansäure

Acide 3-{[(1R,1′R,2S,3aR,3a′R,5R,7′R,7aS,7a′R)-1′-{(2R)-1-[(2S)-3,4-diméthyl-5-oxo-2,5-dihydro-2-furanyl]-2-propanyl}-2,7′-dihydroxy-3a′,4,4,7a,7a′-pentaméthyl-4′-oxohexadécahydro-1,5′-spirobi[inden]- 5-yl]oxy}-3-oxopropanoïque

Propanedioic acid, mono[(1R,1′R,2S,3aR,3a′R,5R,7′R,7aS,7a′R)-1′-[(1R)-2-[(2S)-2,5-dihydro-3,4-dimethyl-5-oxo-2-furanyl]-1-methylethyl]hexadecahydro-2,7′-dihydroxy-3′a,4,4,7a,7′a-pentamethyl-4′-oxospir o[1H-indene-1,5′-[5H]inden]-5-yl] ester

Officimalonic acid A