As concerns the isomeric diol 7, the lack of signals for an oxymethine at C-1, and the presence of carbon and proton resonances attributable to a –CH2OH group as in triol 8, indicated that it was
oxidized at C-2 and C-12, being more exactly (2S,11S)-2,12-dihydroxyaristolone (rulepidadiol C)