78902-42-8 2,4,6(1H,3H,5H)-Pyrimidinetrione,5-[5-(hexahydro-1,3-dimethyl-2,4,6-trioxo-5-pyrimidinyl)-2,4-pentadienylidene]-1,3-dimethyl- 78916-53-7 2H-Cyclopenta(b)naphtho(2,3-d)furan-10-carboxylic acid,2-(3-furanyl)-3 ,3a,4a,5,5a,6,9,9a,10,10a-decahydro-5,6-dihydroxy-1,6,9a,10a-tetrameth yl-9-oxo-, methyl ester, (2R,3aS,4aS,5R,5aS,6R,9aR,10S,10aR)-