9-BETA-HYDROXYMARASMICACID

(1aR)-1aα,2-Diformyl-1a,3a,4,5,6,6aβ-hexahydro-3aβ-hydroxy-5,5-dimethylcycloprop[e]indene-6bα(1H)-carboxylic acid

(1aR)-1,1a,3a,4,5,6,6aβ,6b-Octahydro-3aβ-hydroxy-1aα,2-diformyl-5,5-dimethylcycloprop[e]indene-6bα-carboxylic acid